I ditto all that was said, particularly the driving style. i inherited my Civic from my dad when he retired. He was only getting 38-39mpg constantly. I get aprox 42 just in driving style change. I'm easy acceleration, he's hard. I maintain cruising speeds, his speed constanly varies.

-Fadi

1991 Mazda Miata to beat Corvettes at the track
1999 Dodge Ram to climb through rocks and brush
2004 Honda Civic Hybrid to make up for the other 2