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 ...

High Detergent? High Definition? Howdy Doody? Just what, exactly, does it mean when the label on your vehicle's motor oil uses the initials HD?

The primary purpose of engine oil is to stop metal from touching metal. When metal surfaces come in contact, they grind together causing friction. That creates heat, stress and wear. Engine oil is ...

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 ...

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 ...

FAIRFAX, Va.--(BUSINESS WIRE)--Responding to an increasing number of automotive manufacturers recommending lower viscosity motor oils, ExxonMobil recently added SAE 0W-20 viscosity to its Mobil 1 ...

NEW JERSEY (WABC) -- The New Jersey Office of Weights and Measures issued a statewide ban Thursday on 19 motor oil products after lab testing showed the viscosity on labels did not match the oil ...

NEW JERSEY (WPVI) -- The New Jersey Office of Weights and Measures issued a statewide ban Thursday on 19 motor oil products after lab testing showed the viscosity on labels did not match the oil ...