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 ...

Three years from now, you'll see a new API diesel engine oil-service category, designed to help meet federal greenhouse gas/fuel economy standards, which have a final phase-in date set for model year ...

The American Petroleum Institute’s (API) new diesel engine oil standards – API CK-4 and FA-4 – will hit store shelves and bulk tanks nationwide Thursday. Earlier this year, API’s Lubricants Group ...

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 ...

With the American Petroleum Institute's Lubricants Group approving the transition into the development phase of Proposed Category-12 (PC-12), the replacement process for engine oil categories CK-4 and ...

Modern engine design and the need to reduce CO 2 emissions have led to the development of additional engine oil categories and a growing number of engine oil viscosity grades for diesel engines. In ...

Work on creating the next heavy-duty diesel engine oil standard-- known in its current, embryonic form as Proposed Category 11-- is running on schedule to meet the planned “delivery” of new lubricants ...

The American Petroleum Institute (API) reported a healthy draw of 4.2 million barrels in United States crude oil inventories, compared to analyst expectations that markets would see a bit of relief ...