On Apr 22, 4:27*pm, wrote:

I suggest you study thermodynamics andn especially the Otto Cycle and
the Diesel Cycle.

I would suggest you basic physics.


I have. I am an engineer. Thermodynamics is fundamental. I suggest you
study it before you bury yourself deeper.

There is waste heat yes, but it is heat that does the work. Heat does
all the useful work, the waste heat is that which can't be used.

--
Nick