I read an article yesterday about a prototype on this very topic. They were talking about getting 50 watts which sounds totally uneconomic. That and the fact t

I read an article yesterday about a prototype on this very topic. They were talking about getting 50 watts which sounds totally uneconomic. That and the fact that the parent article is 13 years old indicates to me that this is not a promising area of research. https://techxplore.com/news/2025-02-prototype-car-helicopter-exhaust-thermoelectric.html https://techxplore.com/news/2025-02-prototype-car-helicopter...