Ultra-low viscosity oils are becoming the norm for modern engines, especially smaller units prioritizing efficiency.

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 ...

Engineered for Heavy-duty fleets, Severe Duty Equipment, and eMobility – Maximizing Fuel Savings, Service Intervals, ...

It’s an advanced, next-generation engine oil standard focusing on ultra-low viscosity oils for modern engines. When purchasing oil, look for the API Service Symbol "Donut" on the label, which is an ...

As covered extensively in the past, General Motors is recalling nearly 600,000 vehicles in the U.S. in order to address a supplier-level defect affecting the naturally aspirated 6.2L V8 L87 gasoline ...

Maximizing any internal combustion engine's fuel efficiency involves frequent maintenance, including periodic oil changes. You should be aware of these signs your oil is running low, and don't skip ...

Here at SlashGear we advise following engine oil grade and classification recommendations in your vehicle's owner's manual. This holds true even with a high-mileage engine, where experts recommend ...

A clear message emerges from GM’s dedicated enthusiasts: the decade-long era of ultra-thin engine oil must end. A recent poll conducted by GM Authority reveals a striking consensus among readers ...