B+-+electric+cars

= Electric cars By: Aria Alaei Date:03,12,2010 period (B) = = Introduction: = == Every year tens of millions of new cars are produced, which causes more air pollution and co2 production due to combustion of fossil fuels. Our fuel resources are limited, and the ozone in the atmosphere is constantly reacting with the co2 in a slow reaction rate. Humans have looked for many alternatives, one of which is the electric car. Electric cars are automobiles that use electricity as their source of energy. Electric cars are being produced throughout the globe. ==

History:
== The first electric cars where made around the 1840s that did not contain rechargeable batteries, these batteries were more developed in the 1890s, which was the peak of the electric cars. Because gasoline was a very cheap source back then, people stopped using electric cars. But now 120 years later, people are once again starting to use electric cars. ==

what are the diffrences between an electric car, and a gasoline based car?
== “ An electric car has only 5 moving parts in its engine, compared to a gasoline car that has hundreds of parts in its internal combustion engine”. The most important part of an electric car is its battery, which is the part that makes it expensive. Electric cars are generally more expensive than gasoline based cars they tend to average about 20,000$ to 100,000$. Some countries are helping and encouraging their citizens to buy these electric cars, for example in United States, “the Nissan LEAF is priced at $32,780 going down to $25,280 after the U.S. federal tax rebate of $7,500”. A tax rebate is a tax refund on your income tax. Electricity can cost less or more than gas, it depends on what time of the day electricity is consumed, but overall electricity is cheaper than gas. An electric car has 3 main differences comparing to a gasoline based car, == ==A main reason why electric cars are getting more popular is that, electricity can always be produced but oil takes millions of years to produce. Electrical cars are not good race cars, they cannot travel long distances and they cannot reach very high speeds; there is simply not enough energy in a battery in order for the car to travel in high speeds. An electric car can travel from 65 to 260 miles per charge. Electric cars take a long time to charge, it can take an electric car 50 minutes to 4hrs to be fully recharged. == ( a Nissan LEAF )
 * == “The gasoline engine is replaced by an electric motor”. ==
 * == “The electric motor gets its power from a controller”. ==
 * == “The controller gets its power from an array of rechargeable batteries”. ==

3 main diffrences between a gasoline based car, and an elecric car:

 * == “The gasoline engine is replaced by an electric motor”. ==
 * == “The electric motor gets its power from a controller”. ==
 * == “The controller gets its power from an array of rechargeable batteries”. ==

= References: = = Marshall Brain (2006), How electric cars work, http://www.howstuffworks.com/electric-car.htm = = Wikipedia (2008), Electric cars, http://en.wikipedia.org/wiki/Electric_car#Price = = HOW DO ELECTRIC CARS WORK, [] = = U.S department of energy(2009), The history of electric cars, http://inventors.about.com/library/weekly/aacarselectrica.htm, =