[cfg83]

Hello -

What do you think of this?

http://www.youtube.com/watch?v=IO2cbao9cUQ

If this succeeds, it won't end up in a Saturn, it'll be a different GM product. Here's a (pre GM bankruptcy) May 2008 article on same :

Aura Concept Demonstrates GM's Fuel Saving HCCI Engine Technology

CarloSW2