Mobil 1 ESP Formula 5W 30 is made with a proprietary blend of leading edge components formulated to be fully compatible with the latest Diesel Particulate Filters (DPFs) and Gasoline Catalytic Converters (CATs). Mobil 1 ESP Formula 5W 30 has been designed to help deliver outstanding performance and protection in conjunction with fuel economy benefits. Key features and potential benefits include, Features Advantages and Potential Benefits Low Ash Content Helps to reduce particulate build up in Diesel Particulate Filters Low Sulphur and Phosphorous content Helps to reduce poisoning of Gasoline Catalytic Converters Active cleaning agents Helps to reduce deposits and sludge build up to enable long and clean engine life Outstanding thermal and oxidation stability Helps to reduce oil aging allowing extended drain interval protection Low oil consumption Less hydrocarbon pollution Enhanced frictional properties Aids fuel economy Excellent low temperature capabilities Quick cold weather starting and ultra fast protection Helps to extend engine life.