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GM Seeks Patents To Harvest Vehicle Engine Heat

4293 Views 7 Replies 5 Participants Last post by  bonaire
GM is hoping to increase the efficiency of their combustion engine cars by recapturing some of the emitted heat. The post below shows how they are thinking of doing this. Short answer: shape memory materials that change shape at different temperatures.
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eAssist increases MPG by 20%. That's a big number for a relatively small increase in cost. Plus it scales.
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