This comprehensive overview of 2024 commercial vehicle engine oil specifications includes details from American Refining Group, Amsoil, Castrol Heavy Duty, BP Lubricants, Cenex, Champion, Chevron, ...

A new heavy-duty engine oil specification designed to support next-generation diesel engines is nearing completion and ...

The automotive world is constantly evolving, and so is the motor oil that keeps our engines alive and running smoothly. The newly introduced ILSAC GF-7 specification is set to replace GF-6 as the ...

The oil in your vehicle’s engine is pretty incredible. Its job is to protect every square inch inside your engine where there is metal-to-metal contact – your piston rings, cylinder walls, valves, ...

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.

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

2027 heavy-duty engines are still a couple of years away. But the American Petroleum Institution is already hard at work on the next generation of oils that will lubricate them. New EPA 2027 emissions ...

Chevron Products Co. has announced its API CJ-4 and API CI-4 Plus heavy-duty diesel engine oils now meet the new Caterpillar ECF-2 specification Chevron Products Co. has announced its API CJ-4 and API ...

Engine oil color reveals its age, contamination level, and operating condition. Fresh oil is amber or light brown. Oil darkened to black but still translucent after a few thousand miles is normal.