General Motors is quietly rewriting the rulebook on its flagship truck engine, and the fix […] ...

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 ...

Engine oil and cold weather don't mix well. Here's why viscosity matters, how cold affects oil flow, and how the right oil ...

Certain kinds of motor oils behave differently. Ideally, an engineer would prefer the oil viscosity to remain the same when the engine is hot as when it is cold. Motor oil includes additives developed ...

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, ...

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 ...

Although engine oil enters cars as a yellow liquid, you'll almost always find its color to be brown or black when it's being ...

Oil analysis is a highly advantageous tool for gear systems used in both industrial and mobile equipment. Despite being designed to be highly reliable, they bring about disruption and incurred costs ...

The best synthetic oils offer more mileage, keep the engine cleaner, perform equally well in low and high temperatures, and protect your engine by keeping wear at bay. When it comes to the topic of ...