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 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 ...

The diesel engine oil available for your fleet is about to undergo a major change. Two new oil categories, CK-4 and FA-4, have been announced by the American Petroleum Institute (API) and will replace ...

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 API CJ-4 oil category includes 9 fired engine tests and 6 bench tests. The new multi-cylinder tests in the category include Caterpillar C13, Cummins ISB, Cummins ISM, Mack T-12, and Mack T-11, ...

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 ...

This oil category was driven by two new cooled exhaust gas recirculation (EGR) engine tests operating with 15% EGR, with used oil soot levels at the end of the test ranging from 6 to 9%. These tests ...

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 ...

If you've ever bought a quart of motor oil for your vehicle, you've likely encountered the letters API somewhere on the label. In fairness, there are a lot of abbreviations, symbols and odd number ...

For any vehicle, the most important factor in prolonging its usability and preserving its performance is regular maintenance and servicing. For vehicle maintenance, oil changes are essential because ...