How's this for recycling? According to today's linked article from syracuse.com, scientists are competing currently to develop technologies that can harness heat from car exhausts, turning it into energy that can then (re)power the car. Necessary technology too, since up to 70% of energy from internal combustion engines is wasted apparently, 40% of it through exhaust heat. General Motors has said that if they can reach their goal of 10% fuel economy through these imminent technologies, that would save around 100 million gallons of fuel per year just in GM cars driven in the US! And of course the same thermoelectric technologies could have so many other applications too, saving energy everywhere they are deployed (even in zero emissions cars, I assume?). A potentially great scientific advance.
Sunday, August 10, 2008
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