I don't buy it. It may get 600 Watts running flat out in first gear on the highway but typical driving I doubt it. I also have serious doubts about the 5% better mileage. If the thermal electric generator supplies 1/3 the electrical power that would mean that the alternator saps 15% off your mileage. Its bunk and bogus claims.
This is just sensationalistic marketing hype.
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