G-OIL 5W-30 5-Quart Synthetic Motor Oil for $0 after rebate in-store

Green Earth Technologies offers its G-OIL 5W-30 Bio-Based Synthetic "Green" Motor Oil 5-Quart Bottle for $0 after this mail-in rebate. (This rebate will credit up to $26 of your purchase.) That's $26 off and tied with our mention from June as the best deal we've seen for this "green" oil, which features the highest biodegradability rating available. Note that G-OIL is frequently carried by Walmart. Rebate expires September 9.