If you do this, not only will you pay pennies per gallon for your own fuel, but you'll piss off the gov, make the planet proud and probably even make a decent living.
http://cgi.ebay.com/ebaymotors/ws/eB...atego ry=6755
Here's a couple links to get you started:
http://tinyurl.com/4d3s2
http://tinyurl.com/6e4fb
If you are in a metro area (especially on the west coast) you could probably do pretty well & feel good about what you do
Be sure to check with an attorney on local regulations and legalities first of course.
I think it's sold as "hand cleaner" or something in some places
