Use Chemz Zap Engine Degreaser to remove oil and grease from car, truck, boat tractor and lawnmower engines. Suitable for removing oil and grease on concrete floors. Chemz Zap Engine Degreaser is formulated with detergents, solvents and surfactants which when blended together give optimum cleaning results. Chemz Zap Engine Degreaser cleaning formulation will initially lift off oil, grease, and road contaminants from the engine leaving the detergent and surfactants on the surface which emulsifies the remaining contaminants when flushed with a jet of water. Chemz Zap Engine Degreaser rinses off easily leaving no residue.