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. The ...
The American Petroleum Institute will introduce a special Service Symbol Donut to help consumers identify the newly-approved FA-4 (PC-11) diesel engine oil. API approved two new diesel oil standards, ...
The American Petroleum Institute will introduce a special Service Symbol Donut to help consumers identify the newly-approved FA-4 (PC-11) diesel engine oil. API approved two new diesel oil standards, ...
WASHINGTON, D.C.– The American Petroleum Institute (API) is introducing a new special Service Symbol Donut to help consumers identify the recently approved API FA-4 diesel engine oil. API approved two ...
The American Petroleum Institute's new diesel engine oil-service categories, API CK-4 and FA-4, will begin appearing in the marketplace on December 1. New API Donuts denoting the categories will ...
The American Petroleum Institute (API) has licensed approximately 400 CK-4 and more than 60 FA-4 oils submitted by large, medium and small oil marketers. While already significant, API expects ...