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automobile

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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.[1] However, the term automobile is far from precise, because there are many types of vehicles that do similar tasks.

There are approximately 600 million passenger cars worldwide (roughly one car per eleven people).[2][3] Around the world, there were about 806 million cars and light trucks on the road in 2007; they burn over 1 billion m³ (260 billion US gallons) of petrol/gasoline and diesel fuel yearly. The numbers are increasing rapidly, especially in China and India.[4]


Fuel and propulsion technologies

A radio taxi in New Delhi. A court order requires all commercial vehicles including trucks, buses and taxis in Delhi to run on Compressed Natural Gas
See also: Alternative fuel vehicle

Older automobiles were generally powered by a steam engine, which was fed by burning gasoline.[5] Most automobiles in use today however are propelled by a internal combustion engine, fueled by deflagrating gasoline (also known as petrol) or diesel. Both fuels are known to cause air pollution and are also blamed for contributing to climate change and global warming.[6] 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, electric and hydrogen vehicles that do not release pollution into the air.Template:Citation needed


negative effects

Residents of low-density, residential-only sprawling communities are also more likely to die in car collisions Template:Or which kill 1.2 million people worldwide each year, and injure about forty times this number.[7] Sprawl is more broadly a factor in inactivity and obesity, which in turn can lead to increased risk of a variety of diseases.[8]

Millions of animals are also killed every year on roads by automobiles—so-called Roadkill.

Driverless cars

Main article: Driverless car

Fully autonomous vehicles, also known as robotic cars, or driverless cars, already exist in prototype, and are expected to be commercially available around 2020. According to urban designer and futurist Michael E. Arth, driverless electric vehicles—in conjunction with the increased use of virtual reality for work, travel, and pleasure—could reduce the world's 800,000,000 vehicles to a fraction of that number within a few decades.[9] This would be possible if almost all private cars requiring drivers, which are not in use and parked 90% of the time, would be traded for public self-driving taxis that would be in near constant use. This would also allow for getting the appropriate vehicle for the particular need—a bus could come for a group of people, a limousine could come for a special night out, and a Segway could come for a short trip down the street for one person. Children could be chauffeured in supervised safety, DUIs would no longer exist, and 41,000 lives could be saved each year in the U.S. alone.[10][11]


Open source development

There have been several projects aiming to develop a car on the principles of open design. The projects include OScar, Riversimple (through 40fires.org)[12] and c,mm,n.[13] None of the projects have reached significant success in terms of developing a car as a whole both from hardware and software perspective and no mass production ready open-source based design have been introduced as of late 2009. Some car hacking through on-board diagnostics (OBD) has been done so far.[14]


Industry

The automotive industry designs, develops, manufactures, markets, and sells the world's motor vehicles. In 2008, more than 70 million motor vehicles, including cars and commercial vehicles were produced worldwide.[15]

In 2007, a total of 71.9 million new automobiles were sold worldwide: 22.9 million in Europe, 21.4 million in Asia-Pacific, 19.4 million in USA and Canada, 4.4 million in Latin America, 2.4 million in the Middle East and 1.4 million in Africa.[16] The markets in North America and Japan were stagnant, while those in South America and other parts of Asia grew strongly. Of the major markets, China, Russia, Brazil and India saw the most rapid growth.



References

  1. compiled by F.G. Fowler and H.W. Fowler. (1976). Pocket Oxford Dictionary, London: Oxford University Press.
  2. WorldMapper â€“ passenger cars.
  3. Cars produced in the world â€“ Worldometers. Worldometers.info. URL accessed on 2010-07-11.
  4. Plunkett Research, "Automobile Industry Introduction" (2008)
  5. Stanley Steam running on gasoline. Stanleymotorcarriage.com. URL accessed on 2010-08-26.
  6. Global Climate Change. U.S. Department of Energy. URL accessed on 2007-03-03.
  7. Cite error: Invalid <ref> tag; no text was provided for refs named who_stats
  8. Our Ailing Communities. Metropolis Magazine.
  9. Oliver, Rachel (2007-09-16). "Rachel Oliver "All About: hydrid transportation"". CNN. http://www.cnn.com/2007/BUSINESS/09/14/allabout.hybrid/. Retrieved 2009-03-05. </li>
  10. Arth, Michael (Spring 2008). "New Pedestrianism: A Bridge to the Future". Carbusters Magazine. http://www.carbusters.org/magazine/33/feature3.html. Retrieved 2009-03-06. Template:Dead link </li>
  11. Birch, Alex (2008-05-23). "Most Cars Can be Eliminated in 20 Years says Urban Designer Michael E. Arth". Corrupt.org. http://www.corrupt.org/news/most_cars_can_be_eliminated_in_20_years_says_urban_designer_michael_e_arth. Retrieved 2009-03-06. </li>
  12. FortyFires: Main. 40fires.org. URL accessed on 2010-07-11.
  13. open source mobility: home. c,mm,n. URL accessed on 2010-07-11.
  14. Geek My Ride presentation at linux.conf.au 2009. Video.google.com. URL accessed on 2010-07-11.
  15. World Motor Vehicle Production by Country: 2007–2008. OICA.
  16. "2008 Global Market Data Book", Automotive News, p.5
  17. </ol>