For now, it appears they primarily agree: The HEV or Supercar for the near future will be a hybrid electric with
some sort of heat engine, fueled by reformulated gasoline or diesel.
Not exact matches
That means that any
heat engine that runs between the reservoirs can turn some
of the temperature difference into work, increasing the entropy
of those reservoirs, but gravity
sorts it all out again and makes the energy available for re-use.
If I read that a dataset requires adjustments for use
of insulated versus uninsulated buckets and the
heat of the
engine room, I just
sort of go on to the next thing.