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, ...

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.

January 1, 2027, will be the first license date for two new heavy-duty engine oil categories, if all goes as planned.

The American Petroleum Institute (API), working with engine manufacturers and oil makers, has completed redesigning two new heavy-duty engine oil specifications. Nearly a decade has passed since the ...

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 ...

Engine oils are the lifeblood of a vehicle's engine, ensuring its smooth operation, longevity and protection against wear and tear. When extreme cold temperatures arrive, the choice of engine oil ...

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 ...

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, ...