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 ...

Stricter federal regulations are reshaping the engine oil industry. PC-12 and low-viscosity HDEOs can help with compliance and performance. As the temperatures rise and the days become longer, your ...

Semi-synthetic motor oils use a combination of mineral and man-made oil, while synthetic blends tend to have fewer impurities ...

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 ...

Analyzing the oil in your vehicle is like sending your blood to the lab for tests. An engine oil analysis can provide clues about the health of your engine – without any invasive surgery. By analyzing ...

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 ...

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, ...

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

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

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