Starting January 1, 2027, new heavy-duty diesel engines will hit the road. And when engines change, oil has to change with ...

API PC-12 engine oil categories CL-4 and FB-4 are advancing toward a 2027 launch. Here’s what the changes mean for fleets, ...

How well does vegetable oil work as a motor oil substitute? The difference in viscosity between these two oils reveals why ...

Many enthusiasts look to diesel motor oil as a high-zinc alternative, but is it the best choice? A certified lubrication expert explains the difference. It is widely known that diesel engine oils ...

The “Better Fuel Economy at All Costs” push has spawned complexity issues for powerplant serviceability and longevity. OEMs may now have a chance to make needed design changes.

Rotary engines have an aura of cool. In games of Top Trumps, the V12 might have been king, but a rotary was a joker, a wild card. A lack of mainstream success no doubt contributes; there are reasons ...

Every few thousand miles, we pull into a shop, wait our turn, and let a technician drain and replace the golden liquid that keeps our cars running. Jet engines, however, operate on a completely ...

This paper explains the mechanisms that affect lubricating oil consumption in stationary gas engines. It explains the positive and negative consequences of oil consumption. It discusses the importance ...