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Baby steps. That's how BMW expects to improve the efficiency of its vehicles – not by revolutionizing the automobile or replacing the internal-combustion engine, but by improving it. The Bavarian automaker's Efficient Dynamics program includes a roster of fuel-saving technologies like ...
Volkswagen has supposedly created a device that generates electricity from the wasted heat created by an internal combustion engine. The device, known as a thermoelectric generator (TEG), relies on the reaction of two different metals as heat passes through, thereby generating electricity. ...