> JD> blades. Memories of my college physics courses is a bit dim, but 
 > Does Clausius ring a bell?
 > 
 > The transformation of heat to work is always dependent on a 
 > temperature drop and the transfer of heat to a lower temperature 
 > level.
 > In view of this, I don't see where a turbine small enough for an 
 > automotive application could avoid running at high temps and 
 > speeds...bringing us back to the problems of gear reduction, 
 > cooling, and lubrication.
Kevin,
 That's what I was thinking of. It comes back to TANSTAAFL; if it was as easy 
as some people think it should be, it would have been done already. :-)
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