[aerohead]

Originally Posted by Joggernot

Do you have a link to this? I'll eventually have to get a new car and this sounds interesting. Is there a model that will have this engine?

I may have goofed on the numbers.(gray and white matter going fast!)
I do remember a 43% engine waiting in the wings.It might be FIAT or Renault.
For Toyota,check out :
"Toyota's astonishing new Atkinson Cycle engine delivers,78 mpg,gizmagToyota's astonishing new Atkinson Cycle engine delivers 78 mpg