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, ...

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.

Some folks impacted by the L87 engine recall should now be running an updated oil spec, which has us wondering - how's your unreplaced L87 engine doing so far?

The GM L87 engine recall that has affected almost 600,000 full-size trucks and SUVs in the U.S. and has led to multiple ...

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 ...

The American Petroleum Institute (API) released the FA-4 engine oil specification nearly four years ago. While lubricant manufacturers stand behind the benefits of FA-4, slower OEM adoption and ...

Add Yahoo as a preferred source to see more of our stories on Google. As engine standards change, the oil that protects them has to change too — especially for drivers buying new trucks in the next ...

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 fuel that runs through a 2026 Formula 1 power unit is one of the most tightly specified liquids in motorsport. Article 16 of ...