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

API Spec 6A is among the oil and gas industry’s most technically rigorous standards and a critical requirement for Middle ...

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

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, ...