[jime57]

Originally Posted by some_other_dave

I believe that Basjoos has gotten his Civic to where it will stay in lean burn up over 90 MPH; his estimate was that it might stay there even at 100 MPH!

Aerocivic - Honda Civic modifications for maximum gas mileage - aerocivic.com

-soD

Though we much admire his work, the Aero Civic is a much different animal than the Insight 1. Larger, more powerful engine for one thing. Do you see a problem with my math? Lets stick to substance on the Insight. Cross car comparisons are of limited value.