1. Outstanding Oxidation Stability at High Temperatures?ENEOS Motor Oil 5W30 meets the latest API SM standard for gasoline engine oils. It has about 1.8 times better high-temperature oxidation stability than conventional SL-grade oils.Comparison of oxidation stability at high temperatures of API SL and SM Oils 2. Excellent Engine Cleanliness and Wear Resistance?ENEOS Motor Oil 5W30’s excellent engine cleanliness and wear resistance have been proven in official laboratory tests in the United States. This performance has also been confirmed in a full range of vehicle tests.3. Little Oil Consumption?The consumption of motor oils depends largely on the type of base oil. Because ENEOS Motor Oil 5W30 is blended from high-performance base oils, it has little oil consumption, so users can look forward to adding less oil to their engines.=====================Group III/IV 100% Synthetic blend (all synthetic base stocks) Certification for the latest standard API SM ILSAC GF-4 Higher performance, longer life, less catalyst poisoning Formulated to boost fuel economy for a wide range of vehicals Compatibility with hybrids and low emission vehicles Increases horsepower & torque by as much as 4% Reduces operating temperatue Superior cold start engine protection