Starting January 1, 2027, new heavy-duty diesel engines will hit the road. And when engines change, oil has to change with ...

The API is aiming for a 2027 rollout of the new engine oil spec, which is meant to enhance performance standards.

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, ...

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 ...

General Motors is discovering that a few digits on an oil jug can decide whether a modern V8 earns lifelong loyalty or a ...

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 ...

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 ...

GM Authority poll shows owners overwhelmingly want thicker 5W-30 or 0W-40 oil for next-gen V8s, citing durability over thin 0W-20 fuel economy gains.

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 ...

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, ...