Fuel FragranceFruit Loops Scented4 oz. BottleSafe for All Internal Combustion Engines, Injectors, Carburetors, Oxygen Sensors & Catalytic Converters JEGS 63691 Fruit Loops Fuel Fragrance is a highly concentrated formula made for mixing with motor fuel to eliminate the foul smell of exhaust fumes. This additive is completely safe for all internal combustion engines including gasoline, methanol, or diesel engines, 2 or 4 stroke, with or without nitrous.Usage: Gasoline -1/3 to 1/4 oz. per gallonMethanol - 1/8 to 1/16 oz. per gallonDiesel fuel -1/2 to 1/4 oz. per gallon