The second car that I ever owned was a 2002 Chevy Silverado 2500 with a 6.6L Duramax diesel engine under the hood. It wasn't my first choice, but it was a hand-me-down from my father after my 1993 ...

In the United States heavy duty trucking lubricants market, the drive for energy efficiency is influencing a transition from SAE 15w-40 diesel engine oils to those with lower viscosity grades such as ...

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 ...

The thinner in oil is the easier it pumps through the engine, which leads to a fuel economy improvement. We can all understand that, but there's a lot more to oil viscosity than how thick it is. I ...

Demands on heavy-duty diesel engine oils have changed alongside engine technology and fuel formulations. “As engine technology and fuel technology have evolved, the environment in the crankcase has ...

For 2010, the U.S. Department of Energy expects diesel prices to average nearly $3 a gallon. As diesel prices head back up, it may be time to look at the possibility of switching to a more ...

Detroit Diesel Corporation announced its engine production has made a significant change by moving its factory-fill engine oil to a low viscosity FA-4. As of early January, Detroit has started using ...

An oil change is a great starter task for anyone learning about car maintenance, but picking the right oil for the engine to is just as important as technique, especially when faced with deciding ...