WASHINGTON, D.C. – The new CK-4 and FA-4 categories of heavy-duty engine oils are coming to the market Dec. 1, reminds the American Petroleum Institute (API). “Dec. 1 is an industry milestone as it marks the first day new API…
WASHINGTON, D.C. – The new CK-4 and FA-4 categories of heavy-duty engine oils are coming to the market Dec. 1, reminds the American Petroleum Institute (API). “Dec. 1 is an industry milestone as it marks the first day new API…