John Gardner wrote:
>> Does anyone attempt to recover waste heat from a ... =A0engine used on a=
 vehicle ?
>
> You've already mentioned one prominent instance - Turbosupercharging.
>
> A pet scheme of mine is a refrigeration unit run by waste heat.

I think it can be a matter of time a refrigeration unit would take
waste heat and even would freeze the output. The collected heat would
drive a small steam turbine. There should be invented refrigerating
medium to withstand some hundred C. Though, thermodynamics should be
checked  on this idea.

--=20
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