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GM Seeks Patents To Harvest Vehicle Engine Heat

4294 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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On the other hand, 3% of all of the fuel burned in cars in the US is a massive figure. As the great chassis engineer Steve Smith famously said, when you get down close to the minimum weight you end up taking it out one ounce at a time. We use aluminum lug nuts on our race cars, LOL.
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