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Researchers work to turn car's exhaust into power

Researchers are competing to meet a challenge from the U.S. Department of Energy: Improve fuel economy 10 percent by converting wasted exhaust heat into energy that can help power the vehicle. That's not a trivial improvement: 10 percent savings would amount to more than 100 million gallons of fuel per year in GM vehicles in the U.S. alone. So this is where a group of researchers have created a metallic device which is attached to the exhaust pipe, producing electricity from the otherwise wasted heat: a thermoelectric generator, a device that ... Read more →

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