economy

What can I do to make my Lumina 90 lest expensive. I mean, it is hard on gaz... Fuel filter, air filter...what else

plugs, wires, nothing is really gonna help that much, just dont drive as aggressivly. Yours is hard on gas? My 2001 Pulls about 26 miles per gallon. I consider that pretty good for the amount of power she has.

I have a 99 LTZ with a 3.8.
I avg about 22 mpg. Thats a combo of highway, city, and sitting in rush hour traffic.