Lucas, gallon, fuel Treatment, complies with the federal low sulfur content requirements for use in diesel motor vehicles & non-road, locomotive & marine diesel equipment engines, powerful blend of oils & additives that contain no solvents, increases power & fuel mileage, lowers exhaust emissions through a more complete Combustion, formulated for both gasoline & diesel engines, carbureted or fuel injected, blend of super slick oils & additives with a high detergent action that allows the engine to operate at maximum efficiency, cleans & lubricates the carburetor & injectors & causes the fuel to burn more thoroughly for increased power & less fuel consumption, use in vehicles that require leaded fuel, replaces the benefits of lead in gasoline without causing harmful emissions, use it to pass Smog tests.