When you look at a bottle of motor oil, you are assaulted by all the numbers and letters and whether or not it's synthetic. Without knowing what those figures signify, it can look almost random when ...

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 ...

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 ...

High-mileage engines need more maintenance attention, but does that mean you should use thicker oil? Before adding any, ...

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, ...

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 ...

Chevron Products Company announced that senior staff engineer Shawn Whitacre has been selected as the new chairman of the ASTM Heavy-Duty Engine Oil Classification Panel. Chevron Products Company ...

The first oils certified for use in exhaust-gas-recirculation (EGR)-equipped diesels will be available in June 2002, according to the American Society for Testing and Materials’ Heavy-Duty Engine Oil ...