Joe writes: Hi Sajeev, I’m sure this has been asked many times, but I was thinking about oil viscosity recommendations vs.

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 ...

To fully understand oil, it helps to understand what’s happening under the hood. An engine has cylinders inside – for example (and obviously), a four-cylinder engine has four of them. Each cylinder ...

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 ...

In anticipation of a new heavy-duty engine oil category due out in 2016, which will feature a lower-viscosity sub-category for improved fuel economy in newer engines, Shell has been running a fleet ...

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 ...

A new report concludes that most fleets should look at adopting lower-viscosity engine oils for fuel savings. The latest Confidence Report from Trucking Efficiency, a collaborative effort of the North ...