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What to expect from PC-12 engine oils with Shell's Karin Haumann

As the transportation industry continues to meet ever more stringent emissions rules from the EPA, especially the latest low NOx rule, new heavy-duty engines and heavy-duty engine oils are on the way as well. Set for rollout at the start of 2027, the American Petroleum Institute's (API) recently approved three key actions to vote on to establish the new heavy-duty engine oil specification, Proposed Category 12 (PC-12): Acceptance of PC-12 technical requirements, PC-12 user language, and Jan. 1, 2027, as the first license date for API Service Category CL-4 and API FB-4.

According to the…

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