An electric car is an alternative fuel automobile that uses electric motors and motor controllers for propulsion, in place of more common propulsion methods such as the internal combustion engine (ICE). Electric cars are specifically a variety of electric vehicle created or adapted for use on the road. Electric cars are commonly powered by on-board battery packs, and as such are battery electric vehicles (BEVs). Other on-board energy storage methods that are expected to come into use in the future include ultracapacitors, fuel cells, and a spinning flywheel which stores kinetic energy.
Electric cars enjoyed popularity between the mid-19th century and early 20th century, when electricity was among the preferred methods for automobile propulsion, providing a level of comfort and ease of operation that could not be achieved by the gasoline cars of the time. Advances in ICE technology soon rendered this advantage moot; the greater range of gasoline cars, quicker refueling times, and growing petroleum infrastructure, along with the mass production of gasoline vehicles by companies such as the Ford Motor Company, which reduced prices of gasoline cars to less than half that of equivalent electric cars, led to a decline in the use of electric propulsion, effectively removing it from important markets such as the United States by the 1930s.
In recent years, increased concerns over the environmental impact of gasoline cars, along with reduced consumer ability to pay for fuel for gasoline cars, has brought about renewed interest in electric cars, which are perceived to be more environmentally friendly and cheaper to maintain and run, despite high initial costs. Electric cars currently enjoy relative popularity in countries around the world, though they are notably absent from the roads of the United States, where electric cars briefly re-appeared in the late 90s as a response to changing government regulations. The hybrid electric car has become the most common form of electric car, combining a internal combustion engine powertrain with supplementary electric motors to run the car at idle and low speeds, making use of techniques such as regenerative braking to improve its efficiency over comparable gasoline cars, while not being hampered by the limited range inherent to current battery electric cars. Hybrid cars are now sold by most major manufacturers, with notable models including the Toyota Prius and the forthcoming Chevrolet Volt, a plug-in hybrid which uses a fully electric drivetrain supplemented by a gasoline-powered electric generator to extend its range. As of 2009, the world's most popular battery electric car is the REVAi, also known as the G-Wiz, which is produced by an Indian company and sold in a number of countries in Europe and Asia.
Etymology
Electric cars are a variety of electric vehicle (EV); the term "electric vehicle" refers to any vehicle that uses electric motors for propulsion, while "electric car" generally refers to road-going automobiles powered by electricity. While an electric car's power source is not explicitly an on-board battery, electric cars with motors powered by other energy sources are generally referred to by a different name: an electric car powered by sunlight is a solar car, and an electric car powered by a gasoline generator is a form of hybrid car. Thus, an electric car that derives its power from an on-board battery pack is called a battery electric vehicle (BEV). Most often, the term "electric car" is used to refer to pure battery electric vehicles, such as the REVAi and GM EV1.
History
Main article: History of the electric vehicle1830s to 1900s: Early history
Electricity is one of the oldest automobile propulsion methods still in use today. The invention of the electric vehicle is attributed to various people, including the Hungarian inventor of the electric motor, Ányos Jedlik, Vermont blacksmith Thomas Davenport, Professor Sibrandus Stratingh of Groningen, the Netherlands, and Scotsmen Robert Davidson and Robert Anderson. The invention of improved battery technology, including efforts by Gaston Plante in France in 1865, as well as his fellow countryman Camille Faure in 1881, paved the way for electric cars to flourish in Europe. France and the United Kingdom were the first nations to support the widespread development of electric vehicles, while the lack of natural fossil resources in Switzerland resulted in the rapid electrification of its railway network to reduce its dependence on foreign energy. English inventor Thomas Parker, who was responsible for innovations such as electrifying the London Underground, overhead tramways in Liverpool and Birmingham, and the smokeless fuel coalite, claimed to have perfected a working electric car as early as 1884. Before the pre-eminence of internal combustion engines, electric automobiles also held many speed and distance records. Among the most notable of these records was the breaking of the 100 km/h (62 mph) speed barrier, by Camille Jenatzy on April 29, 1899 in his 'rocket-shaped' vehicle Jamais Contente, which reached a top speed of 105.88 km/h (65.79 mph). Before the 1920s, electric automobiles were competing with petroleum-fueled cars for urban use of a quality service car.
It was not until 1895 that Americans began to devote attention to electric vehicles, after A.L. Ryker introduced the first electric tricycles to the US, many innovations followed, and interest in motor vehicles increased greatly in the late 1890s and early 1900s. In 1897, electric vehicles found their first commercial application as a fleet of electrical New York City taxis, built by the Electric Carriage and Wagon Company of Philadelphia, was established. Electric cars were produced in the US by Anthony Electric, Baker, Columbia, Anderson, Edison, Studebaker, Riker, and others during the early 20th century. In 1917, the first gasoline-electric hybrid car was released by the Woods Motor Vehicle Company of Chicago. The hybrid was a commercial failure, proving to be too slow for its price, and too difficult to service.
Despite their relatively slow speed, electric vehicles had a number of advantages over their early-1900s competitors. They did not have the vibration, smell, and noise associated with gasoline cars. Changing gears on gasoline cars was the most difficult part of driving, and electric vehicles did not require gear changes. Electric cars found popularity among well-heeled customers who used them as city cars, where their limited range proved to be even less of a disadvantage. The cars were also preferred because they did not require a manual effort to start, as did gasoline cars which featured a hand crank to start the engine. Electric cars were often marketed as suitable vehicles for women drivers due to this ease of operation.
Acceptance of electric cars was initially hampered by a lack of power infrastructure, but by 1912, many homes were wired for electricity, enabling a surge in the popularity of the cars. At the turn of the century, 40 percent of American automobiles were powered by steam, 38 percent by electricity, and 22 percent by gasoline. 33,842 electric cars were registered in the United States, and America became the country where electric cars had gained the most acceptance. Sales of electric cars peaked in 1912.
1920s to 1980s: Gasoline dominates
After enjoying success at the beginning of the century, the electric car began to lose its position in the automobile market. Factors including improved road infrastructure in the 1920s and the discovery of large reserves of petroleum in Texas, Oklahoma, and California paved the way for gasoline cars to gain popularity, with their longer range and newly-affordable fuel. Electric cars were limited to urban use by their slow speed and low range, and gasoline cars were now able to travel farther and faster than equivalent electrics. Gasoline cars became ever easier to operate thanks to the invention of the electric starter by Charles Kettering in 1912, which eliminated the need of a hand crank for starting a gasoline engine, and the noise emitted by ICE cars became more bearable thanks to the use of the muffler, which had been invented by Hiram Percy Maxim in 1897. Finally, the initiation of mass production of gas-powered vehicles by Henry Ford brought the price as low $440 in 1915 (equivalent to roughly $9,200 today). By contrast, in 1912, an electric roadster sold for $1,750 (roughly $39,000 today). By the 1920s, the heydey of electric cars had passed, and a decade later, the American electric automobile industry had effectively disappeared.
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