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 ...

There's a new head of the committee developing the new heavy-duty engine oil classification, known currently as PC-11 for proposed category 11. HDT talked to Shawn Whitacre to find out what fleets ...

As of dec. 1, two new engine oil blends in development for over five years are officially available on the trucking market. CK-4 and FA-4 are the offspring of the Proposed Category 11, or PC-11, ...

High Detergent? High Definition? Howdy Doody? Just what, exactly, does it mean when the label on your vehicle's motor oil uses the initials HD?

After 2010, with the advent of selective catalytic reduction (SCR), engine stresses and many of our concerns about maintenance actually eased. But growth in the world’s economy, in traffic volumes in ...

ExxonMobil plans to unveil two engine oils later this month that meet the American Petroleum Institute's new CI-4 heavy-duty engine oil classification, which is designed to address the performance ...

Oil is a vital component for engines of all types. Not only is it responsible for providing lubrication to numerous moving interior parts, but it also helps prevent friction and the development of ...

SAN ANTONIO. The industry campaign to develop not one but two new API oil-service categories to eventually replace the current CJ-4 spec for heavy-duty diesel engines is on a fast track for new ...