Our very own mileage database shows what you can do if you drive a non-hybrid with mileage in mind:
http://www.greenhybrid.com/compare/m...onhybrids.html
Take a look at the standard civics averaging over 40MPG and the del sol averaging better than my HCH.
The mileage meter makes a huge difference in showing a driver how their habits affect mileage. Every car, hybrid or not, should have one. More drivers would stop their fuel wasting ways if they knew how their habits influence their mileage.