API PC-12 engine oil categories CL-4 and FB-4 are advancing toward a 2027 launch. Here’s what the changes mean for fleets, compatibility, and planning.

The global automotive lubricants market has seen significant transformation over the past decade, driven by evolving engine technologies, stricter emission regulations, and growing consumer awareness ...

In the world of automotive engine oils, 0W-20 is one of the thinnest, though oils as thin as 0W-8 are now used. The 0W stands for 0-weight in winter, and the 20 stands for 20-weight when the oil is ...

New EPA 2027 emissions rules also mean new diesel engine oil specs. A new generation of heavy-duty engine oils will feature lower viscosity, improved thermal resistance, and possibly longer oil drain ...

Motor oil purchases should be determined by a combination of auto makers' specifications and practical experience. Tire dealers and service shop operators who prioritize a lubricant's price are ...

Motor oil myths are more than harmless garage folklore. When drivers follow bad advice about oil changes, viscosity, or ...

Chevron Products Co.’s new Chevron RPM LE SAE 15W-40 and Texaco Ursa Super Plus EC SAE 15W-40 heavy duty diesel engine oils meet both API CJ-4 and CI-4 Plus specifications Chevron Products Co.’s new ...

Amsoil has a complete line of diesel engine synthetic oils. The line features the Signature Series Max-Duty Synthetic in 5W-40, 5W-30, 10W-30, 15W-40, and 0W-40 grades. The line also includes ...

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, ...

Shell Lubricants has introduced a new portfolio of Shell Rotella heavy-duty diesel engine oils. New Shell ROTELLA T4 Triple Protection 15W-40 and 10W-30 along with Shell ROTELLA T5 Synthetic Blend 10W ...

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 ...