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 ...

When you look at a bottle of motor oil, you are assaulted by all the numbers and letters and whether or not it's synthetic. Without knowing what those figures signify, it can look almost random when ...

The popular YouTube channel Engineering Explained is famous for taking complicated engineering concepts, mostly automotive-related, and clearly explaining them to the layman. One of the channel’s ...

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 ...

These engine parts are from a teardown of an engine using an experimental low-HTHS viscosity oil. A visual inspection shows no noticeable differences in wear between it and the higher-viscosity oil.

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 ...