is a CNG engine oil for all CNG engine vehicles with the latest technology. It meets the require- ments of advanced engine oil grade of API CF. It is optimized to lubricate a wide range of CNG line engines under severe conditions. The main addic- tive is mandatory for use CNG applications such as Transit buses, School buses, Refuse trucks, Air- port and Inter City shuttles, as well as equipment such as CNG powered street sweepers.