inflate the tires to 35 or 40lbs. Accelerate slowly. look for upcoming lights and coast when you won't make the light. Drive 55 or so on the highway.

Theres a bunch more stuff. One tutorial in the Learn section of the site is a pretty good read. There are lots of threads on improving your mileage to read.

My hydroponics experiment

You ever notice how hard it is to lip read cartoon characters?
"Crazy is what the sane call Delta Flyer"