Bill O'Ryan with the American Petroleum Institute updates trucking reporters at TMC on the new PC-12 heavy-duty engine oil category. After several years of development, we're nearing the finish line ...
Making the CL-4 and FB-4 service symbols available now allows oil marketers to prepare for a smooth transition as we approach the 2027 model year,” the American Petroleum ...
Three years from now, you'll see a new API diesel engine oil-service category, designed to help meet federal greenhouse gas/fuel economy standards, which have a final phase-in date set for model year ...
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