Wow. Green Earth Technologie's G-Oil is really green! Completely plant- and animal-fat based, healthy for the environment, works BETTER than petroleum-based engine oils, and comes in a bio-degradable container. And Gas 2.0 has a contest that gives you a chance to win a 5-quart pack....
Check out our review in our automotive section, then head over to Gas 2.0 to sign up and win!
And even if you don't win a free pack, Green Earth Technologies has discount coupons on its website...
