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API Approves New Diesel Engine Oil Standards

[Source: American Petroleum Institute, 2017 | Keywords: Regulatory Compliance, Diesel, Oil] The American Petroleum Institute (API) announced that it has approved two new diesel engine oil standards, API Service Categories CK-4 and FA-4. These new categories resulted from years of collaborative effort between API’s Lubricants Group, the Truck & Engine Manufacturers Association (EMA) and the… Read More »