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 ...

January 1, 2027, will be the first license date for two new heavy-duty engine oil categories, if all goes as planned. An update from the American Petroleum Institute said it has made significant ...

Diesel engine makers and truck OEMs will, within a few short years, expect motor oil to contribute to the mandated greenhouse-gas emissions (GHG) reduction and corresponding increase in miles per ...