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.
The American Petroleum Institute (API) announced progress in the development of its new Proposed Category 12 (PC-12) ...
January 1, 2027, will be the first license date for two new heavy-duty engine oil categories, if all goes as planned.
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