>    I think it's been more like 20 years, at least. Sort of like the fuel cells
>we've all been waiting for and won't see for another decade at least. I think
>there are some uses of ceramics, however, in turbos.

Some turbochargers have ceramic turbines. i belive these are a bit
prone to shed vanes...

Plastic engines have been on the research list for a while too. How
light do you want your engine?
--
Andrew Grebneff
165 Evans St, Dunedin 9001, New Zealand
<andrew.grebneff@stonebow.otago.ac.nz>
Seashell, Macintosh, VW/Toyota van nut