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

The API is aiming for a 2027 rollout of the new engine oil spec, which is meant to enhance performance standards.

Preparing for EPA 2027? API’s new PC-12 spec (CL-4 and FB-4) introduces ultra-low viscosity 0W-20 oils and stricter emissions ...

The American Petroleum Institute (API) announced progress in the development of its new Proposed Category 12 (PC-12) ...

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 ...

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 ...

Two new diesel engine oil categories, replacing the oils used in diesel engines for over a decade, came to market in January, capping a development period nearly five years in the works. The roll out ...

A new generation of heavy-duty diesel engine oil is headed our way in the next 12 to 18 months. Known currently as PC-12, or Proposed Category 12, the oils under development through the American ...