Tuesday, November 24, 2009

Van

Van
A van is a type of vehicle. A van is usually bigger than the regular sized car and is meant usually to seat many people, sometimes up to a total of 15. Certain vans, known as panel vans, are used for deliveries. These usually have less windows. A van usually seats three people in each row of seats, or two, depending on the van's type.

Many manufacturers make vans. Examples are Chevrolet, Daihatsu, Dodge, Fiat, Ford, GMC, honda, Hyundai, Isuzu, Mazda, Mercedes-Benz, Mitsubishi, Nissan, Subaru, Suzuki, Toyota, Vauxhall and Volkswagen.

Vehicle

Vehicle
(An automobile is a type of vehicle)
A vehicle is a form of transport to move persons from one place to another. It is not alive; a horse can bring a person from place to place, but it is not a vehicle. A vehicle carries things too.

Most vehicles have wheels, but not all do. Ships and airplanes are vehicles, but they do not use wheels to move.

Some vehicles may be petrol or diesel driven with a steering wheel. Usually vehicles have four wheels but some three or two wheeled vehicles do exist, such as motorcycles. Some vehicles are
powered by humans like bicycles. Some vehicles are pulled by animals like chariots.

Disadvantages Of Cars

Disadvantages Of Cars

Buying and running a car needs a lot of money, even more for a good quality one that is not too old. There are a lot of things to pay for - the car itself, fuel, parts (for example, tires/tyres), maintenance, repairs, insurance to cover the cost of crashes or theft, parking charges and road tolls and/or any tax or licensing fees charged by government.

If two cars crash they can hurt the people inside or around them. Traffic jams happen when there are too many cars trying to go the same way. They can cause pollution if too many are used in a small area like a city, and the combined pollution of the world's cars is thought to be partly to blame for climate change. Many places where lots of people live have public transportation (or mass transit) such as buses, trains, trams and subways. These can help many people get to different places very quickly, often faster and less expensive than by car when traffic jams are a problem. Some of these problems can be fixed, for example, by carpooling, which is putting many people who may not normally travel together in one car to share costs, use less fuel, and create less pollution and traffic.

If many cars try to travel around an older, or badly built town, that was not designed for cars, this can make these problems worse, and cause danger to other road users, for example people riding bicycles or walking. But, designing a town layout where everything is made for cars as the main transport can cause other problems. These include even more pollution and traffic, as everyone has to drive. Communities are divided up and separated with roads. People walking are in danger by expressways with too few foot bridges, small road bridges or other crossings. Designers now understand these problems and try to build more balanced systems.

Advantages Of Cars

Advantages Of Cars

Cars are faster than walking or riding a bike if you are going a long way, can carry more than one person, and a large amount of luggage. Depending on local public transport quality, they can also be faster and far more convenient than using buses, trams or trains, and can often go where public transport cannot. 4-wheel drive "offroad" vehicles are particularly good at reaching places difficult for any other wheeled transport, allowing provision of goods, emergency services, transport of disabled or infirm passengers, and faster and safer journeys for able-bodied passengers over long distances and harsh terrain where this may otherwise have been impossible.

Another good thing is that if it's raining heavily it is better to use a car than a bicycle or motorcycle, or walking, because driving a car in these conditions can be less dangerous, and keeps passengers and possessions dry as most cars are enclosed (they have a roof, doors and windows). Modern cars are often safer in accidents in any conditions, as they have added safety features such as seat belts, airbags, crumple zones and side-impact protection that would be expensive or impossible on two-wheeled or light 3-wheeled vehicles, or most buses.

History of Cars

History of Cars
The earliest automobiles recorded were actually steam engines attached to wagons. This was invented by Nicolas-Joseph Cugnot in the late 1700's. The steam engines were heavy and therefore the wagon was very slow and hard to control. Cugnot was the very first person to get into a motor vehicle accident when he crashed his wagon into a wall!

Also, there were in the 1830's that were powered by electricity, but these were also very slow and heavy so they were eventually left behind.

The internal combustion engine changed the way automobiles were to be powered. The engine used either gasoline, diesel, or kerosene to work. When the gas is exploded in a cylinder it pushes the piston down and turns the wheel.

Although many people tried to make a good car that would work well and sell well, people say that Karl Benz invented the modern automobile. He used a four-stroke type of internal combustion engine to power his "car". He began to sell his production vehicles in 1888.
Benz may have invented the first modern car, but Henry Ford is the man who sold the most cars to the most people. In 1910 he began making and selling his Model T, which was a huge success. Many people could afford this car, not just the rich. Ford mass produced his Model T, meaning he made a lot of them in a short time in a factory. People say that the Model T is the car that "put America on wheels". The Model T was the most popular car of the time because it was so cheap but it was still a good quality car that everyone could own.

Since then, many different kinds of cars have been designed and built, from minivans to sports cars.

Car And its Structure

Car
A car (also called an automobile) is a machine used for travel (a vehicle). Cars are different from motorcycles, and bicycles because they have four wheels.

Structure
A car has an engine to move it, put together with three or more wheels (almost always four), a purpose-built body frame, and controls such as a steering wheel and brakes. They usually have a seat for the driver and at least one other seat for a passenger, and most have a total of 4 to 8. Some small "city" cars carry only two people, and/or have very little luggage space; other types are able to carry many passengers or heavy loads. For example, family station wagons carry from 6 to 9 people, or fewer people with lots of luggage. A van or pickup truck is a car-like vehicle made for carrying medium sized loads, for example of goods for delivery or plumber's and builder's tools and materials.

In order for a car to work, it must have fuel, most often petrol, which is sometimes called gasoline, or can run on diesel. Other less common fuels are natural gas, or electricity. Many car-making companies are also now trying to build vehicles that run successfully using hydrogen fuel cells, which are as convenient as petrol or diesel fuelled cars but do not give out any polluting exhaust gases (but making hydrogen may at first still need electricity made by a powerplant that burns similar fossil fuels).

Saturday, November 14, 2009

Uses of Buses

Special Uses of Buses
Airport operators make use of special airside airport buses for crew and passenger transport in the secure airside parts of an airport. Some public authorities, police forces and military forces make use of armoured buses where there is a special need to provide increased passenger protection. Police departments make use of police buses for a variety of reasons, such as prisoner transport, officer transport, temporary detention facilities and as command and control vehicles. Many are drawn from retired school or service buses.

Tourism
Buses play a major part in the tourism industry. Tour buses around the world allow tourists to view local attractions or scenery. These are often open-top buses, but can also be by regular bus or coach.
In local sightseeing, City Sightseeing is the largest operator of local tour buses, operating on a franchised basis all over the world. Specialist tour buses are also often owned and operated by safari parks and other theme parks or resorts. Longer distance tours are also carried out by bus, either on a turn up and go basis or through a tour operator, and usually allow disembarkation from the bus to allow touring of sites of interest on foot. These may be day trips or longer excursions incorporating hotel stays. Tour buses will often carry a tour guide, although the driver or a pre-recorded audio commentary may also perform this function. The tour operator may itself be a subsidiary of a bus operating company that operates buses and coaches for other uses, or an independent company that charters buses or coaches. Commuter transport operators may also use their coaches to conduct tours within the target city between the morning and evening commuter transport journey.
Buses and coaches are also a common component of the wider package holiday industry, providing private airport transfers (in addition to general airport buses) and organised tours and day trips for holidaymakers on the package.
Public long distance coach networks are also often used as a low-cost method of travel by students or young people travelling the world. Some companies such as Topdeck Travel were set up to specifically use buses to drive the hippie trail or travel to places like north Africa.
In many tourist or travel destinations, a bus is part of the tourist attraction, such as the North American tourist trolleys, London’s Routemaster heritage routes, or the customised buses of Malta, Asia and the Americas.

Uses of Buses

Promotion of Different Things
Buses are often used for advertising, political campaigning, public information campaigns, public relations or promotional purposes. These may take the form of temporary charter hire of service buses, or the temporary or permanent conversion and operation of buses, usually of second-hand buses. Extreme examples include converting the bus with displays and decorations or awnings and fittings. Interiors may be fitted out for exhibition or information purposes with special equipment and/or audio visual devices.
Bus advertising takes many forms, often as interior and exterior adverts and all-over advertising liveries. The practice often extends into the exclusive private hire and use of a bus to promote a brand or product, appearing at large public events, or touring busy streets. The bus is sometimes staffed by promotions personnel, giving out free gifts. Campaign buses are often specially decorated for a political campaign or other social awareness information campaign, designed to bring a specific message to different areas, and/or used to transport campaign personnel to local areas/meetings. Exhibition buses are often sent to public events such as fairs and festivals for purposes such as recruitment campaigns, for example by private companies or the armed forces. Complex urban planning proposals may be organised into a mobile exhibition bus for the purposes of public consultation.

Uses of Buses

School Buses
In some countries, particularly the U.S., buses used to transport school children have evolved in to a specific design with specified mandatory features. These buses feature things such as the school bus yellow livery and crossing guards. Other countries may mandate the use of seat belts. As a minimum many countries require that a school bus displays a sign, and may also adopt yellow liveries. School buses are also often older buses cascaded from service use, retro-fitted as a school bus, with more seats and/or seatbelts. School buses may be operated by local authorities or private contractors. Schools may also own and operate their own buses for other transport needs, such as class field trips, or to transport associated sports, music or other school groups.

Private charter
Due to the costs involved in owning, operating and driving buses and coaches, many bus and coach uses come about from the private hire of vehicles from charter bus companies, either for a day or two, on a longer contract basis, where the charter company provides the vehicles and qualified drivers. Charter bus operators may be completely independent businesses, or charter hire may be a subsidiary business of a public transport operator who might maintain a separate fleet or use surplus buses, coaches, and dual purpose coach seated buses. Many private taxicab companies also operate larger minibus vehicles to cater for group fares. Companies, private groups and social clubs may hire buses or coaches as a cost effective method of transporting a group to an event or site, such as a group meeting, racing event, or organised recreational activity such as a summer camp. Entertainment or event companies may also hire temporary shuttles buses for transport at events such as festivals or conferences. Party buses are used by companies in a similar manner to limousine hire, for luxury private transport to social events or as a touring experience. Sleeper buses are used by bands or other organisations that tour between entertainment venues and require mobile rest and recreation facilities. Some couples hire preserved buses for their wedding transport instead of the traditional car. Buses are often hired for parades or processions. Victory parades are often held for triumphant sports teams, who often tour their home town or city in an open-top bus. Sports teams may also contract out their transport to a team bus, for travel to away games, to a competition or to a final event. These buses are often specially decorated in a livery matching the team colours. Private companies often contract out private shuttle bus services, for transport of their customers or patrons, such as hotels, amusement parks, university campuses or private airport transfer services. This shuttle usage can be as transport between locations, or to and from parking lots. High specification luxury coaches are often chartered by companies for executive or VIP transport. Charter buses may also be used in Tourism and for promotion (See Tourism and Promotion sections)

Buses as Public Transport

Buses as Public Transport

Public transport forms the major use of buses and coaches, designed for the transport of the general public as a public service, rather than the private hire or use of buses for transport or other purposes. The use and design of public transport buses varies around the world, and utilises the entire range of bus designs and capacities. The design of buses and coaches is often specialised to a particular type of service. Buses may operated fixed routes, or be used as flexible services. Public buses can be organised in large fleets or as small concerns, and be publicly or privately owned and operated.
The transit bus is the predominant design of public bus, which features specific features to allow use as a public transport vehicle. Transit buses have utilitarian fittings designed for efficient movement of large numbers of people, and often have multiple doors. A dual purpose bus is a transit bus fitted with coach style higher backed more comfortable seats, used on longer distance routes where standing passengers are not likely to be present. Specially adapted mobility buses may be used on specialist services for the transport of passengers with mobility issues (See Accessibility section).
High capacity bus rapid transit (BRT) services may use the bi-articulated bus, an extension of the articulated bus concept with two trailer sections. BRT schemes (and other uses) may also use tram style buses, which certain bus manufacturers have tried to emulate the tram with modified articulated bus designs, with features such as a ‘pilot’ style driving position and streamlined styling, for example the Wright StreetCar and the Irisbus Civis. Guided buses are fitted with technology to allow them to run in designated guideways, allowing the controlled alignment at bus stops and less space taken up by guided lanes than conventional roads or bus lanes. Guidance can be mechanical, optical or electromagnetic. Guidance is often, but not exclusively, employed as part of a BRT scheme. Extensions of the guided technology include the Guided Light Transit and Translohr systems, although these are more often termed 'rubber tyred trams' as they have limited or no mobility away from their guideways.

Trolleybuses

Trolleybuses
A trolleybus is essentially an electrically powered bus that is attached to and draws power from overhead lines. The trolleybus can be seen as a branch of, and a parallel development to, the conventional bus, and is exclusively used for public transport (apart from some systems recreated in transport museums). Trolleybuses appeared at nearly the same time as combustion engine powered buses, with a system in Dresden, Germany, in 5 May 1901. As with conventional buses, double-deck and articulated versions of the trolleybus have been developed.

Coaches

Coaches
A coach or motorcoach describes a more luxurious version of a bus, designed for more comfortable or longer-distance travel. In the UK, an old-fashioned word for it is a charabanc.
Coaches can come in the same general configurations as buses, as single- or double-deckers, articulated, or small 'mini-coaches'. Coaches have a higher floor level than buses, to enable luggage to be stored in compartments under the passenger floor. Larger coach designs are often heavier and have more power than buses of the same size, to allow them travel at higher speeds on motorways or autoroutes, and have more capacity for luggage. Coaches do not generally allow for standing passengers, and feature upholstered, high-backed, individual seats. Coaches often have passenger comforts such as reclining seats, hand luggage storage, toilets, and audio-visual entertainment systems. As a low-cost version of a coach, buses may be fitted with coach-style, higher-backed, more comfortable seats, termed 'dual-purposed' bodywork. These may be used on long-distance public transport services, or as low-cost charter coaches. Increasingly in some areas individual upholstered coach-style seating, either fully high-backed or standard bus-seat height, is being deployed on higher-specification transit buses, sometimes with leather upholstery.

Single-deckers and Double-deckers

Single-deckers
The midibus is a lighter and smaller purpose-built development of the single-deck bus, which emerged in the 1990s.
Double-deckers
Where more capacity is needed, a double-decker bus or articulated bus may be used, the prevalence of which varies from country to country. A double-decker is a rigid vehicle with an extra upper deck, the two conjoined for access by a staircase— usually in modern vehicles a spiral staircase near the front, but often at the rear on older vehicles, which may have an open platform. Larger double-deckers might have both front and rear staircases.

Designs of Buses

Designs of Buses
Since motorisation, the traditional configuration of a bus was an engine in the front and an entrance at the rear. Since the 1960s, with the transition to one-man operation, buses in the developed world have taken the form of mid or rear-engined designs, with a single door at the front, or multiple doors. Front-engined buses still persist for niche markets such as American school buses, some minibuses, and buses in less developed countries, which may be derived from truck chassis, rather than purpose-built bus designs.A bus may have an open platform so that passengers can board and alight without the driver opening a door, but this is dangerous and is discouraged or illegal.[citation needed] On the other hand, in some countries bus use is so heavy that passengers will cling to the outside of the vehicle if it is full.[citation needed]Buses often have a legal maximum passenger capacity.Most buses have two axles. Articulated buses have three. Buses with additional axles support greater weight or length.

Etymology and History

Etymology
Bus is a derivation of Omnibus Vehicle meaning "vehicle for all", where omnibus means "for all" in Latin (omnes meaning "all"), reflecting its early use for public transport. When motorized transport replaced horse-drawn transport starting 1905, a motorized omnibus was called an autobus, a term still used. It is pronounced /ˈbʌs/, or in some dialects /ˈbuːs/, plural either "buses" or "busses", both pronounced /ˈbʌsɨz/.


History
The first public bus line was launched by Blaise Pascal in 1662, but it ceased operation 15 years later, and no further such services are known until the 1820s. Early horse-drawn buses were a combination of a hackney carriage and a stagecoach. From the 1830s steam powered buses existed. In parallel to the development of the bus, was the invention of the electric trolleybus running under a system of wires, which actually preceded, and in many urban areas outnumbered, the conventional engine powered bus. The first engine powered buses emerged along with development of the automobile. After the first engine powered bus of 1895, models expanded in the 1900s, leading to the widespread introduction of the contemporary recognisable form of full size buses from the 1950s.

Automobiles-Bus

Bus
A bus (archaically also omnibus, multibus, or autobus) is a road vehicle designed to carry passengers. Buses vary in capacity from 8[not in citation given] to 300 passengers. Buses are widely used public transportation.
The most common type of bus is the single-decker bus, with larger loads carried by double-decker buses and articulated buses, and smaller loads carried by midibuses and minibuses. A luxury, long distance bus is called a coach. A bus is powered by a combustion engine, although early buses were horse drawn and there were experiments with steam propulsion. Trolleybuses use overhead power lines. In parallel with the car industry bus manufacturing is increasingly globalised, with the same design appearing around the world.

Tuesday, November 10, 2009

Petroleum fuels-Gas turbine-Rotary (Wankel) engines-Rocket and jet cars

Petroleum fuels
Gas turbine
In the 1950s there was a brief interest in using gas turbine engines and several makers including Rover and Chrysler produced prototypes. In spite of the power units being very compact, high fuel consumption, severe delay in throttle response, and lack of engine braking meant no cars reached production.
Rotary (Wankel) engines
Rotary Wankel engines were introduced into road cars by NSU with the Ro 80 and later were seen in the Citroën GS Birotor and several Mazda models. In spite of their impressive smoothness, poor reliability and fuel economy has largely lead to their decline. Mazda, beginning with the R100 then RX-2, has continued research on these engines, overcoming most of the earlier problems with the RX-7 and RX-8.
Rocket and jet cars
A rocket car holds the record in drag racing. However, the fastest of those cars are used to set the Land Speed Record, and are propelled by propulsive jets emitted from rocket, turbojet, or more recently and most successfully turbofan engines. The ThrustSSC car using two Rolls-Royce Spey turbofans with reheat was able to exceed the speed of sound at ground level in 1997.

Petroleum fuels-Air

Petroleum fuels
Air
A compressed air car is an alternative fuel car that uses a motor powered by compressed air. The car can be powered solely by air, or by air combined (as in a hybrid electric vehicle) with gasoline/diesel/ethanol or electric plant and regenerative braking. Instead of mixing fuel with air and burning it to drive pistons with hot expanding gases; compressed air cars use the expansion of compressed air to drive their pistons. Several prototypes are available already and scheduled for worldwide sale by the end of 2008, though this has not happened as of January 2009. Companies releasing this type of car include Tata Motors and Motor Development International (MDI).

Petroleum fuels-Electric and Steam

Petroleum fuels
Electric
The first electric cars were built around 1832, well before internal combustion powered cars appeared. For a period of time electrics were considered superior due to the silent nature of electric motors compared to the very loud noise of the gasoline engine. This advantage was removed with Hiram Percy Maxim's invention of the muffler in 1897. Thereafter internal combustion powered cars had two critical advantages: 1) long range and 2) high specific energy (far lower weight of petrol fuel versus weight of batteries). The building of battery electric vehicles that could rival internal combustion models had to wait for the introduction of modern semiconductor controls and improved batteries. Because they can deliver a high torque at low revolutions electric cars do not require such a complex drive train and transmission as internal combustion powered cars. Some post-2000 electric car designs such as the Venturi Fétish are able to accelerate from 0-60 mph (96 km/h) in 4.0 seconds with a top speed around 130 mph (210 km/h). Others have a range of 250 miles (400 km) on the United States Environmental Protection Agency (EPA) highway cycle requiring 3-1/2 hours to completely charge.Equivalent fuel efficiency to internal combustion is not well defined but some press reports give it at around 135 miles per US gallon (1.74 L/100 km; 162 mpg-imp).
Steam
Steam power, usually using an oil- or gas-heated boiler, was also in use until the 1930s but had the major disadvantage of being unable to power the car until boiler pressure was available (although the newer models could achieve this in well under a minute). It has the advantage of being able to produce very low emissions as the combustion process can be carefully controlled. Its disadvantages include poor heat efficiency and extensive requirements for electric auxiliaries.

Petroleum fuels-Biofuels

Petroleum fuels
Biofuels
Ethanol, other alcohol fuels (biobutanol) and biogasoline have widespread use an automotive fuel. Most alcohols have less energy per liter than gasoline and are usually blended with gasoline. Alcohols are used for a variety of reasons - to increase octane, to improve emissions, and as an alternative to petroleum based fuel, since they can be made from agricultural crops. Brazil's ethanol program provides about 20% of the nation's automotive fuel needs, as a result of the mandatory use of E25 blend of gasoline throughout the country, 3 million cars that operate on pure ethanol, and 6 million dual or flexible-fuel vehicles sold since 2003. that run on any mix of ethanol and gasoline. The commercial success of "flex" vehicles, as they are popularly known, have allowed sugarcane based ethanol fuel to achieve a 50% market share of the gasoline market by April 2008.

Petroleum fuels-Gasoline

Petroleum fuels
Gasoline
Gasoline engines have the advantage over diesel in being lighter and able to work at higher rotational speeds and they are the usual choice for fitting in high-performance sports cars. Continuous development of gasoline engines for over a hundred years has produced improvements in efficiency and reduced pollution. The carburetor was used on nearly all road car engines until the 1980s but it was long realised better control of the fuel/air mixture could be achieved with fuel injection. Indirect fuel injection was first used in aircraft engines from 1909, in racing car engines from the 1930s, and road cars from the late 1950s.[16] Gasoline Direct Injection (GDI) is now starting to appear in production vehicles such as the 2007 (Mark II) BMW Mini. Exhaust gases are also cleaned up by fitting a catalytic converter into the exhaust system. Clean air legislation in many of the car industries most important markets has made both catalysts and fuel injection virtually universal fittings. Most modern gasoline engines also are capable of running with up to 15% ethanol mixed into the gasoline - older vehicles may have seals and hoses that can be harmed by ethanol. With a small amount of redesign, gasoline-powered vehicles can run on ethanol concentrations as high as 85%. 100% ethanol is used in some parts of the world (such as Brazil), but vehicles must be started on pure gasoline and switched over to ethanol once the engine is running. Most gasoline engined cars can also run on LPG with the addition of an LPG tank for fuel storage and carburettor modifications to add an LPG mixer. LPG produces fewer toxic emissions and is a popular fuel for fork-lift trucks that have to operate inside buildings.

Petroleum fuels-Diesel

Petroleum fuels
Diesel
Diesel-engined cars have long been popular in Europe with the first models being introduced as early as 1922 by Peugeot and the first production car, Mercedes-Benz 260 D in 1936 by Mercedes-Benz. The main benefit of diesel engines is a 50% fuel burn efficiency compared with 27% in the best gasoline engines. A down-side of the Diesel engine is that better filters are required to reduce the presence in the exhaust gases of fine soot particulates called diesel particulate matter. Manufacturers are now starting to fit[when?] diesel particulate filters to remove the soot. Many diesel-powered cars can run with little or no modifications on 100% biodiesel and combinations of other organic oils.

Fuel and propulsion technologies

Fuel and propulsion technologies


Most automobiles in use today are propelled by gasoline (also known as petrol) or diesel internal combustion engines, which are known to cause air pollution and are also blamed for contributing to climate change and global warming. Increasing costs of oil-based fuels, tightening environmental laws and restrictions on greenhouse gas emissions are propelling work on alternative power systems for automobiles. Efforts to improve or replace existing technologies include the development of hybrid vehicles, and electric and hydrogen vehicles which do not release pollution into the air.

Production of Automobiles

Production of Automobiles

The large-scale, production-line manufacturing of affordable automobiles was debuted by Ransom Olds at his Oldsmobile factory in 1902. This concept was greatly expanded by Henry Ford, beginning in 1914.
As a result, Ford's cars came off the line in fifteen minute intervals, much faster than previous methods, increasing productivity eight fold (requiring 12.5 man-hours before, 1 hour 33 minutes after), while using less manpower. It was so successful, paint became a bottleneck. Only Japan black would dry fast enough, forcing the company to drop the variety of colors available before 1914, until fast-drying Duco lacquer was developed in 1926. This is the source of Ford's apocryphal remark, "any color as long as it's black". In 1914, an assembly line worker could buy a Model T with four months' pay.

Ford's complex safety procedures—especially assigning each worker to a specific location instead of allowing them to roam about—dramatically reduced the rate of injury. The combination of high wages and high efficiency is called "Fordism," and was copied by most major industries. The efficiency gains from the assembly line also coincided with the economic rise of the United States. The assembly line forced workers to work at a certain pace with very repetitive motions which led to more output per worker while other countries were using less productive methods.
In the automotive industry, its success was dominating, and quickly spread worldwide seeing the founding of Ford France and Ford Britain in 1911, Ford Denmark 1923, Ford Germany 1925; in 1921, Citroen was the first native European manufacturer to adopt the production method. Soon, companies had to have assembly lines, or risk going broke; by 1930, 250 companies which did not, had disappeared.
Since the 1920s, nearly all cars have been mass-produced to meet market needs, so marketing plans often have heavily influenced automobile design. It was Alfred P. Sloan who established the idea of different makes of cars produced by one company, so buyers could "move up" as their fortunes improved.
Reflecting the rapid pace of change, makes shared parts with one another so larger production volume resulted in lower costs for each price range. For example, in the 1930s, LaSalles, sold by Cadillac, used cheaper mechanical parts made by Oldsmobile; in the 1950s, Chevrolet shared hood, doors, roof, and windows with Pontiac; by the 1990s, corporate drivetrains and shared platforms (with interchangeable brakes, suspension, and other parts) were common. Even so, only major makers could afford high costs, and even companies with decades of production, such as Apperson, Cole, Dorris, Haynes, or Premier, could not manage: of some two hundred American car makers in existence in 1920, only 43 survived in 1930, and with the Great Depression, by 1940, only 17 of those were left.
In Europe much the same would happen. Morris set up its production line at Cowley in 1924, and soon outsold Ford, while beginning in 1923 to follow Ford's practise of vertical integration, buying Hotchkiss (engines), Wrigley (gearboxes), and Osberton (radiators), for instance, as well as competitors, such as Wolseley: in 1925, Morris had 41% of total British car production. Most British small-car assemblers, from Abbey to Xtra had gone under. Citroen did the same in France, coming to cars in 1919; between them and other cheap cars in reply such as Renault's 10CV and Peugeot's 5CV, they produced 550,000 cars in 1925, and Mors, Hurtu, and others could not compete.[13] Germany's first mass-manufactured car, the Opel 4PS Laubfrosch (Tree Frog), came off the line at Russelsheim in 1924, soon making Opel the top car builder in Germany, with 37.5% of the market.
Development of automotive technology was rapid, due in part to the hundreds of small manufacturers competing to gain the world's attention. Key developments included electric ignition and the electric self-starter (both by Charles Kettering, for the Cadillac Motor Company in 1910-1911), independent suspension, and four-wheel brakes.

History of Automobiles

History of Automobiles

Ferdinand Verbiest, a member of a Jesuit mission in China, built the first steam-powered vehicle around 1672 which was of small scale and designed as a toy for the Chinese Emperor, that was unable to carry a driver or a passenger, but quite possibly, was the first working steam-powered vehicle ('auto-mobile').
Although Nicolas-Joseph Cugnot is often credited with building the first self-propelled mechanical vehicle or automobile in about 1769, by adapting an existing horse-drawn vehicle, this claim is disputed by some[citation needed], who doubt Cugnot's three-wheeler ever ran or was stable. What is not in doubt is that Richard Trevithick built and demonstrated his Puffing Devil road locomotive in 1801, believed by many to be the first demonstration of a steam-powered road vehicle, although it was unable to maintain sufficient steam pressure for long periods, and would have been of little practical use.
In Russia, in the 1780s, Ivan Kulibin developed a human-pedalled, three-wheeled carriage with modern features such as a flywheel, brake, gear box, and bearings; however, it was not developed further.
François Isaac de Rivaz, a Swiss inventor, designed the first internal combustion engine, in 1806, which was fueled by a mixture of hydrogen and oxygen and used it to develop the world's first vehicle, albeit rudimentary, to be powered by such an engine. The design was not very successful, as was the case with others, such as Samuel Brown, Samuel Morey, and Etienne Lenoir with his hippomobile, who each produced vehicles (usually adapted carriages or carts) powered by clumsy internal combustion engines.
In November 1881, French inventor Gustave Trouvé demonstrated a working three-wheeled automobile that was powered by electricity. This was at the International Exhibition of Electricity in Paris.
Although several other German engineers (including Gottlieb Daimler, Wilhelm Maybach, and Siegfried Marcus) were working on the problem at about the same time, Karl Benz generally is acknowledged as the inventor of the modern automobile.
An automobile powered by his own four-stroke cycle gasoline engine was built in Mannheim, Germany by Karl Benz in 1885, and granted a patent in January of the following year under the auspices of his major company, Benz & Cie., which was founded in 1883. It was an integral design, without the adaptation of other existing components, and included several new technological elements to create a new concept. This is what made it worthy of a patent. He began to sell his production vehicles in 1888.

In 1879, Benz was granted a patent for his first engine, which had been designed in 1878. Many of his other inventions made the use of the internal combustion engine feasible for powering a vehicle.
His first Motorwagen was built in 1885, and he was awarded the patent for its invention as of his application on January 29, 1886. Benz began promotion of the vehicle on July 3, 1886, and about 25 Benz vehicles were sold between 1888 and 1893, when his first four-wheeler was introduced along with a model intended for affordability. They also were powered with four-stroke engines of his own design. Emile Roger of France, already producing Benz engines under license, now added the Benz automobile to his line of products. Because France was more open to the early automobiles, initially more were built and sold in France through Roger than Benz sold in Germany.
In 1896, Benz designed and patented the first internal-combustion flat engine, called a boxermotor in German. During the last years of the nineteenth century, Benz was the largest automobile company in the world with 572 units produced in 1899 and, because of its size, Benz & Cie., became a joint-stock company.
Daimler and Maybach founded Daimler Motoren Gesellschaft (Daimler Motor Company, DMG) in Cannstatt in 1890, and under the brand name, Daimler, sold their first automobile in 1892, which was a horse-drawn stagecoach built by another manufacturer, that they retrofitted with an engine of their design. By 1895 about 30 vehicles had been built by Daimler and Maybach, either at the Daimler works or in the Hotel Hermann, where they set up shop after disputes with their backers. Benz and the Maybach and the Daimler team seem to have been unaware of each other's early work. They never worked together because, by the time of the merger of the two companies, Daimler and Maybach were no longer part of DMG.
Daimler died in 1900 and later that year, Maybach designed an engine named Daimler-Mercedes, that was placed in a specially-ordered model built to specifications set by Emil Jellinek. This was a production of a small number of vehicles for Jellinek to race and market in his country. Two years later, in 1902, a new model DMG automobile was produced and the model was named Mercedes after the Maybach engine which generated 35 hp. Maybach quit DMG shortly thereafter and opened a business of his own. Rights to the Daimler brand name were sold to other manufacturers.
Karl Benz proposed co-operation between DMG and Benz & Cie. when economic conditions began to deteriorate in Germany following the First World War, but the directors of DMG refused to consider it initially. Negotiations between the two companies resumed several years later when these conditions worsened and, in 1924 they signed an Agreement of Mutual Interest, valid until the year 2000. Both enterprises standardized design, production, purchasing, and sales and they advertised or marketed their automobile models jointly, although keeping their respective brands.
On June 28, 1926, Benz & Cie. and DMG finally merged as the Daimler-Benz company, baptizing all of its automobiles Mercedes Benz, as a brand honoring the most important model of the DMG automobiles, the Maybach design later referred to as the 1902 Mercedes-35 hp, along with the Benz name. Karl Benz remained a member of the board of directors of Daimler-Benz until his death in 1929, and at times, his two sons participated in the management of the company as well.
In 1890, Émile Levassor and Armand Peugeot of France began producing vehicles with Daimler engines, and so laid the foundation of the automobile industry in France.
The first design for an American automobile with a gasoline internal combustion engine was drawn in 1877 by George Selden of Rochester, New York, who applied for a patent for an automobile in 1879, but the patent application expired because the vehicle was never built. After a delay of sixteen years and a series of attachments to his application, on November 5, 1895, Selden was granted a United States patent (U.S. Patent 549,160) for a two-stroke automobile engine, which hindered, more than encouraged, development of automobiles in the United States. His patent was challenged by Henry Ford and others, and overturned in 1911.
In Britain, there had been several attempts to build steam cars with varying degrees of success, with Thomas Rickett even attempting a production run in 1860. Santler from Malvern is recognized by the Veteran Car Club of Great Britain as having made the first petrol-powered car in the country in 1894 followed by Frederick William Lanchester in 1895, but these were both one-offs. The first production vehicles in Great Britain came from the Daimler Motor Company, a company founded by Harry J. Lawson in 1896, after purchasing the right to use the name of the engines. Lawson's company made its first automobiles in 1897, and they bore the name Daimler.
In 1892, German engineer Rudolf Diesel was granted a patent for a "New Rational Combustion Engine". In 1897, he built the first Diesel Engine. Steam-, electric-, and gasoline-powered vehicles competed for decades, with gasoline internal combustion engines achieving dominance in the 1910s.
Although various pistonless rotary engine designs have attempted to compete with the conventional piston and crankshaft design, only Mazda's version of the Wankel engine has had more than very limited success.

Automobile

Automobile
"Car" and "Cars" redirect here. For other uses, see Car (disambiguation).
An automobile, motor car or car is a wheeled motor vehicle used for transporting passengers, which also carries its own engine or motor. Most definitions of the term specify that automobiles are designed to run primarily on roads, to have seating for one to eight people, to typically have four wheels, and to be constructed principally for the transport of people rather than goods. However, the term automobile is far from precise, because there are many types of vehicles that do similar tasks.
As of 2002, there were 590 million passenger cars worldwide (roughly one car per eleven people).Around the world, there were about 806 million cars and light trucks on the road in 2007; they burn over 260 billion gallons of gasoline and diesel fuel yearly. The numbers are increasing rapidly, especially in China and India.

Etymology
The word automobile comes, via the French automobile, from the Ancient Greek word αὐτός (autós, "self") and the Latin mobilis ("movable"); meaning a vehicle that moves itself, rather than being pulled or pushed by a separate animal or another vehicle. The alternative name car is believed to originate from the Latin word carrus or carrum ("wheeled vehicle"), or the Middle English word carre ("cart") (from Old North French), or karros (a Gallic wagon).