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We do try! Some power plants and ships pipe turbine exhaust through a boiler and steam engine to increase fuel efficiency: https://en.wikipedia.org/wiki/Combin
by stickfigure 5y ago
We do try! Some power plants and ships pipe turbine exhaust through a boiler and steam engine to increase fuel efficiency:
https://en.wikipedia.org/wiki/Combined_cycle_power_plant https://en.wikipedia.org/wiki/Combined_cycle_power_plant
Might be tough to fit all that under the hood though.
- eloff 5y agoI was talking about in cars specifically. It would seem to me that adding some kind of TEG around the engine and part of the exhaust system might be worth it on a hybrid vehicle. https://en.wikipedia.org/wiki/Thermoelectric_generator https://en.wikipedia.org/wiki/Thermoelectric_generator I guess it would depend on if you can make it cheaply enough.
- stickfigure 5y agoSounds like folks are working on it: https://en.wikipedia.org/wiki/Automotive_thermoelectric_generator https://en.wikipedia.org/wiki/Automotive_thermoelectric_gene... The numbers being floated about seem to be 4-5% fuel efficiency gain. Significant, but as you say it depends on the price.