It’s an advanced, next-generation engine oil standard focusing on ultra-low viscosity oils for modern engines. When purchasing oil, look for the API Service Symbol "Donut" on the label, which is an ...

Inside an engine test cell at San Antonio’s Southwest Research Institute, which helped develop two new engine tests that define the wear-performance parameters of the new PC11-A and PC-11-B ...

The new heavy-duty engine oil category, PC-12, is nearing the finish line. Here’s what fleet maintenance managers should know before it arrives in 2027.

A new heavy-duty engine oil specification designed to support next-generation diesel engines is nearing completion and ...

The most current API SN oil category for gasoline engine oils are soon to be superseded by new gasoline engine oil standard aimed at providing greater protection and fuel efficiency for today’s ...

Modern engine design and the need to reduce CO2 emissions have led to the development of additional engine oil categories and a growing number of engine oil viscosity grades for diesel engines. In ...