I guess some people are a little slower than others...so I'll do my good deed for the day and help a retard.

1) maps.google.com

2) local search

3) enter "gas stations" in the field labeled What

4) enter location in the field labled Where

5) Click button labled Search

or

download google earth from http://earth.google.com/downloads.html

I hope that wasn't too complicated for you to follow.