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The next engine? - David Horn
auto.howstuffworks.com/quasiturbine.htm

An engine that has significantly fewer parts than a normal one, needs no oil, boasts incredible fuel efficiency, and can run on petrol or diesel.
The next engine? - Altea Ego
NAh - has all the problems of rotor tip sealing only worse.
The next engine? - martint123
I've often wondered why not a proper turbine. Maybe driving a generator, with electric motors in each hub. Possibly a battery pack as well for short, but heavy loads like starting - or even a flywheel for same??.