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The only practical use for TEGs in a car would either be:
- stuck to the exhaust behind the last cat with a big flat copper plate on the cool side in the airflow, or
- a 2-way coolant TEG harvesting the heat difference between coolant flowing from the engine to the radiator and the return flow.
I looked into the latter but it isn't cost effective at several $ per W.
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2011 Honda Insight + HID, LEDs, tiny PV panel, extra brake pad return springs, neutral wheel alignment, 44/42 PSI (air), PHEV light (inop), tightened wheel nut.
  lifetime FE over 0.2 Gigameter or 0.13 Megamile.
For confirmation go to people just like you.
For education go to people unlike yourself.
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