BTU Funny how many Teslas are coal powered. The extent to which coal is vital across different domains, from supplying a full third of the worlds electricity to it's use in steel should not be disregarded.
No matter what method you use BTU is undervalued, and the meme stuff pumps while this falls.
Coal is even necessary to power AI, it needs all the energy it can get. The world is getting hungry for energy and thus it will be hungry for coal, at least untill AI designs better power sources.