Lucas Fuel Treatment is formulated for both petrol and diesel engines, carburetted or fuel injected. It gives the fuel system what it really needs a blend of super slick oils and additives with a high detergent action that allows the engine to operate at maximum efficiency. It cleans and lubricates the carburettor and injectors and causes the fuel to burn more thoroughly for increased power and less fuel consumption. Lucas Fuel Treatment should be used in vehicles that require leaded fuel because it actually replaces the benefits of lead in gasoline without causing harmful emissions. Use it to pass smog tests. Finally it totally neutralises the harmful effects of low sulphur diesel fuel. Lucas Fuel Treatment was developed to eliminate fuel gelling problems in the most extreme conditions. It contains all the important additives of regular fuel treatment to increase fuel mileage and performance while preventing fuel thickening.