These papers are important information about GGF and waste oil refining.

• Are You Killing Your Diesels
• Can you use Waste Oils as Fuels & Fuel Additives Safely
• Cleanup & Re-Use of Contaminated & Old Fuels
• Cost Comparison Purchased vs ReRefined Oils
• Prepping Did You Forget Something
• The GGF Refinery Technology
• Valuable Uses of Waste Oils Fuels Solvents