What’s behind the slow adoption of FA-4 oil?
Introduced three years ago, the American Petroleum Institute (API)’s CK-4 and FA-4 oil categories were billed as the next generation of oil, improving on the engine protection and fuel economy benefits offered by previous engine oil categories.
API CK-4, FA-4 engine oils will be available Dec. 1
On Thursday, Dec. 1, the American Petroleum Institute’s (API) new diesel engine oil standards, API CK-4 and FA-4, will begin appearing in the marketplace on licensed products and marketing materials. This means consumers will be able to easily identify the API CK-4 or FA-4 category oils that are expected to be recommended in new owners’
