Valvoline last Wednesday introduced Valvoline™ Premium Blue One Solution™ 9200, a "universal" fleet engine oil approved for use in natural gas, API CK-4 diesel and API SN gas fleet engines. It meets the new Cummins CES 20092 natural gas engine spec, CES 20086, CES 20085, Mack EOS-4.5, Volvo VDS-4.5, and Detroit Diesel DFS 93K222 specs.