Chevron conducted a live teardown of a Detroit DD15 engine, with more than 400,000 miles of service using Delo 400 XLE 10W-30, during the Mid-America Trucking Show. Photo: Evan Lockridge To meet the ...

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 ...

Chevron's testing features its Delo 400 LE SAE 10W-30 engine oil. In addition to the 1 percent fuel economy improvement over 15W-40 oils, testing found it offered a 0.5 percent savings over 5W-40 ...

At an engine teardown event held earlier this month, Shell Rotella engineers showed off parts from three engines used in a two-year, half-million mile test of the next-generation low-viscosity oil ...

A recent study used various gas oils and blends with residual heavy oils in order to evaluate the predictability of four different correlations. The gas oils differed substantially in their ...

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 ...

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 ...

When it comes to determining and choosing an oil weight, none of it involves weight as we commonly think of it—there are no weight scales involved in weighing oil. Instead, in this circumstance, ...