January 1, 2027, will be the first license date for two new heavy-duty engine oil categories, if all goes as planned.
The American Petroleum Institute (API) announced progress in the development of its new Proposed Category 12 (PC-12) ...
The American Petroleum Institute (API) has licensed approximately 400 CK-4 and more than 60 FA-4 oils submitted by large, medium and small oil marketers. While already significant, API expects ...
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