Anyway .... here's some articles that might be of interest.
10 Best Fuel-Efficient Cars
When it comes to squeezing every last inch of motion out of a drop of gasoline, no one does it like Honda. The Civic ties the MINI Cooper for the title of (deep breath) most economical non-hyrbid car with an automatic transmission on this list -- an amazing feat considering the Civic's acres of interior room and full complement of safety features.
How to drive green - How to drive green
If you don't want to change your current car, there are still ways you can drive greener.