Friday, December 14, 2007

Summary of "Revving up green machines"

lots of people drive their cars but traveling anywhere at anytime in a car or truck comes at a price. it not just the cost of gas and insurance and repairs. cars are a major source of pollution. when the engine burns gas which releases carbon dioxide into the air along with other particles an pollutants. to help counter gas pries and reduce air pollution the environmentally friendly green cars already on the streets use a mixture of gas and electricity. when the car stops the gas engine stops then the electrics engine motor powers on. the car runs on hydrogen powered fuel cells and the only waste product is water.

Jordan and Easton