Science News - New material could help stretch a gallon of g - A new, highly efficient material that converts heat into electricity may one day help cars get the most out of a gallon of gas, U.S. researchers said on Thursday.Only about 25 percent of the energy produced by a typical gasoline engine is used to move the vehicle or run accessories like the radio or windshield wipers, they said. Much of the rest escapes through the exhaust pipe.
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