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

Engine oil turns black from a combination of combustion byproducts, heat oxidation, and detergent additives suspending carbon ...

CCJ's 10 44 is brought to you by Chevron Delo, heavy duty diesel engine oil. Now there's even more reasons to choose Delo. An oil sample is only as good as the method used to pull it. You're watching ...

Chevron has found that its Delo 400 LE SAE 15W-40 engine oil is ready to help meet 2010 emissions standards. From pricing intelligence and compliance tools to charging infrastructure, diagnostics, ...

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

Engine oil degrades over time when exposed to heat, oxygen, friction, and pollutants. This degradation diminishes the oil's ability to protect the engine and, if not corrected, can cause engine damage ...

While everybody knows what the oil pump's job is and why it's there, few enthusiasts consider the lowly bubbler as a possible engine tuning resource. We've come to appreciate that it takes power to ...

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