ICE is kind of a dead end, you convert energy from chemical to thermal to mechanical and every conversion is lossy. You want to use chemical energy directly ins

ICE is kind of a dead end, you convert energy from chemical to thermal to mechanical and every conversion is lossy. You want to use chemical energy directly instead, like some kind of "hydrocarbon/air cell" and we don't know how to do it. At least not with mixed hydrocarbons.