It's basically impossible for the oil in your car's engine to get hot enough to boil. However, it it does happen, these are ...

The new heavy-duty engine oil category, PC-12, is nearing the finish line. Here’s what fleet maintenance managers should know before it arrives in 2027.

Engine oil turns black from a combination of combustion byproducts, heat oxidation, and detergent additives suspending carbon particles in the fluid. Black oil is not automatically a sign of a problem ...

Automakers recommend using genuine OEM engine oil for a reason that goes far beyond branding. These oils are developed ...

It is the first motor oil proven to unstick piston rings, removing up to 100% of deposits with continuous use.

The American Petroleum Institute (API) is finalizing PC-12 engine oil specs for 2027. Learn about CL-4 and FB-4 licensing ...

Researchers in Nigeria say water in diesel emulsions could significantly reduce nitrogen oxides and particulate emissions without major engine redesign. The approach may also preserve, and sometimes ...

Rising diesel prices could push up costs across the U.S. economy, as many goods move by diesel-powered trucks.