Green Fuel Liquid – Best Diesel Fuel Additive Concentrate | Fuel Injector Cleaner | 1 Gallon Treats 5,000 Gal. / 18,925L

Green Fuel Liquid is the best diesel fuel additive in concentrated liquid form—one gallon treats up to 5,000 gallons of diesel fuel. A professional-strength fuel injector cleaner that boosts gas mileage, protects every engine, and reduces harmful emissions. Easy to use. Safe for all engines.