API PC-12 engine oil categories CL-4 and FB-4 are advancing toward a 2027 launch. Here’s what the changes mean for fleets, ...

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

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 ...

Last year after working with auto manufacturers and others, API announced the approval of improved performance standards for engine oils which will provide greater protection and fuel efficiency for ...

The most current API SN oil category for gasoline engine oils are soon to be superseded by new gasoline engine oil standard aimed at providing greater protection and fuel efficiency for today’s ...

Engine oil is the lifeblood of an engine, directly influencing its longevity, efficiency, and performance. Yet many drivers remain unsure about what those numbers and letters—like 0W-20 or API ...

Starting January 1, 2027, new heavy-duty diesel engines will hit the road. And when engines change, oil has to change with them. That’s the entire story. Under upcoming EPA regulations, heavy-duty ...