New EPA 2027 emissions rules also mean new diesel engine oil specs. A new generation of heavy-duty engine oils will feature ...

Driving a car with a diesel engine instead of a gasoline one, particularly if you already have experience driving a gasoline engine, is all about memorizing (and occasionally breaking) habits.

Performing regular oil changes in your 6.7L Cummins-powered Ram truck is a good way to extend the diesel engine's lifespan past the 300,000-mile mark. Changing the engine oil in your truck ...

“We got rid of the sulfuric acid,” notes Granger. “The new engines run at very low soot levels.” The newest threat is now oil oxidation. “As the oil is exposed to higher ...

In the past, there have been similar shifts in preferred engine oil viscosity grades. An example is the transition in heavy duty diesel engine oils in the 1980s from monograde viscosity SAE 30 and ...