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NewsNovember 22, 2016

New API Diesel Engine Oil Categories Arrive Dec. 1

The American Petroleum Institute's new diesel engine oil-service categories, API CK-4 and FA-4, will begin appearing in the marketplace on Dec. 1.

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Newsby Deborah LockridgeJuly 21, 2016

Petroleum Institute Campaigns to Educate About New Oils

The American Petroleum Institute is ramping up efforts to educate diesel engine users about the two new diesel engine oil standards it approved earlier this year, API CK-4 and FA-4.

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NewsMay 18, 2016

API Debuts Symbols for Identifying New Diesel Oils

The American Petroleum Institute is introducing a special Service Symbol Donut designed to help buyers differentiate between the new API FA-4 and CK-4 service categories for diesel-engine oils.

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