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 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 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 (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 ...

Shell Lubricants has introduced a new portfolio of Shell Rotella heavy-duty diesel engine oils. Shell says its Rotella T4 Triple Protection 15W-40 and 10W-30, along with Shell Rotella T5 Synthetic ...

WASHINGTON, DC, Mar. 19 The American Petroleum Institute Monday became the second trade group to sue the US Environmental Protection Agency over controversial low sulfur diesel rules. API asked the US ...

The Engine Manufacturers Association (EMA) made a request earlier this year to the Diesel Engine Oil Advisory Panel (DEOAP) of the American Petroleum Institute (API) to initiate development of a new ...

US petroleum demand grew at its strongest rate in 5 years during 2004, partially due to a nearly 7% demand increase for highway diesel fuel, the American Petroleum Institute said. Product deliveries ...