General Motors and a BMW supplier are close to converting heat from the car’s exhaust into electricity. The electricity will reduce the amount of time the alternator runs and improve fuel efficiency. The U.S. Department of Energy is partly funding the research and their goal is to improve fuel economy by 10 percent. These thermoelectric generators could be in production in three years. Today’s engines lose 40 percent of their energy in exhaust heat. Any heat energy that is captured will improve overall efficiency.
Source The Associated Press
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