this is kinda wild.
i predicted electric powertrains would come in the future, yes, but in form of a undersized truck engine, coupled to a battery and electric motors would drive it.
in tesla semis,
regen braking would give quite well energy, if even the trailer had electric motors
hey, why don't have a smaller "power pack" in some trailers for extended trips? maybe even a cyclically-ran gas turbine for REALLY long trips?
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