Please see Product Description regarding the California Proposition 65 Warning Fuel economy in part and full power operation, MID SAPS = reduced Sulphated ash, Phosphor and Sulfur, A safe lubricant film at high operating temperatures Excellent wear protection and high viscosity index also under high-speed driving conditions, the long life of the engine, Excellent cold starting characteristics also at low temperatures Low evaporative tendency, so lower oil consumption, No deposits in combustion chambers, in the piston ring zone and valves because of oil conditioned Neutrality towards sealing materials, Extended oil change intervals to protect natural resources