January 1, 2027, will be the first license date for two new heavy-duty engine oil categories, if all goes as planned.

The American Petroleum Institute (API) says it has licensed approximately 400 CK-4 oils and more than 60 FA-4 oils submitted by marketers, making the robust new classifications available to operators ...

When licensing and distribution begin for the two new heavy-duty diesel engine oils in December, it’s paramount for fleets and owner-operators to be aware of the new categories and ensure they’re ...

With a fleet to manage and a bottom line to protect, you don’t always have time to research things like the new API FA-4 diesel engine oil category. As we approach the second anniversary of first ...

TOKYO--(BUSINESS WIRE)--Idemitsu Kosan Co.,Ltd. (Head Office: Chiyoda-ku, Tokyo; Representative Director, President and Chief Executive Officer: Shunichi Kito; hereinafter referred to as “Idemitsu”) ...

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 ...

In the 1950s, motor oil started to come in grades. Some grades were formulated to work better in cold weather, while others helped keep hot engines lubricated more effectively. Today, with our ...