Technical Paper
Gasoline Engine Oil Specifications, Past, Present and Global
2009-11-02
2009-01-2664
Engine oil specifications have been changing since the invention of the automobile and the internal combustion engine. The industry associations that have played a key role in engine oil specification development have changed or evolved in fairly regular time intervals. The specifications, the tests behind the specifications, and the groups involved in shaping the specifications are discussed from a historical and present day perspective.
