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 ...

January 1, 2027, will be the first license date for two new heavy-duty engine oil categories, if all goes as planned.

A new donut is being baked. Two, to be exact. The American Petroleum Institute’s Lubricants Group has established a New Category Development Team to launch the test-development phase of what will be a ...

The Engine Manufacturers Association (EMA) made a request earlier this year to the Diesel Engine Oil Advisory Panel (DEOAP) of the American Petroleum Institute (API) to initiate development of a new ...

The American Petroleum Institute (API) announced progress in the development of its new Proposed Category 12 (PC-12) heavy-duty engine oil specification, clearing several key steps toward formal ...

As the trucking industry moves toward the next generation of diesel engines, the introduction of new oils designed to further enhance fuel efficiency also is on the horizon. The upcoming PC-12 ...

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 ...