Selecting the right engine oil can be challenging. Between the various different brands and the confusing numbers and oil classifications, you may feel overwhelmed while staring at hundreds of bottles ...

-Engine Oil Function The oil that circulates through an engine plays an important part in engine life. Not only does it lubricate the fast moving parts of the engine to reduce friction and wear, but ...

Two new engine oil blends in development for more than five years have been officially released on the trucking market: CK-4 and FA-4. The oils are the offspring of the Proposed Category 11, or PC-11, ...

With less than a year to go before licensing is scheduled to begin, a much clearer portrait of the new engine oil category that will enter the market in conjunction with new federal emissions ...