This product contains high-quality cetane number combustion supporting molecules,it can significantly increase the cetane number of diesel, accelerating the speed of the chain reaction when diesel fuel ignites. It facilitates rapid oxidation of diesel, enhances its ignition characteristics, shortens the ignition delay period, improves combustion efficiency, reduces exhaust emissions, and enhances cold starting of diesel engines. It effectively improves the usability of diesel, increases engine output power, thereby enhancing the quality of diesel, and better protects the environment.