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 ...

In April 2024, the U.S. Environmental Protection Agency announced its proposed “Phase 3 Greenhouse Gas” program, enforcing stricter regulations for heavy-duty vehicles including buses, delivery vans, ...

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 ...

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

You could save as much as 1 percent on your fuel economy simply by switching from a 15W-40 engine oil to a 10W-30 engine oil, according to new research from Chevron Oronite. Purdue researchers ...

Engine oils are the lifeblood of a vehicle's engine, ensuring its smooth operation, longevity and protection against wear and tear. When extreme cold temperatures arrive, the choice of engine oil ...

Oils are not all the same, and owners of European cars have to make sure they're using oil that meets European standards -- which differ from those in the U.S.

Under normal circumstances, most modern engine oil and gasoline brands work fine on their own to keep your engine running smoothly. But there may be cases where even the best of them could use a ...

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 ...