Our comprehensive guide to engine oil explains the pros and cons of each oil type and helps you decide which is best for your ...

The oil in your vehicle’s engine is pretty incredible. Its job is to protect every square inch inside your engine where there is metal-to-metal contact – your piston rings, cylinder walls, valves, ...

Drivers of many newer vehicles are being hit with a surcharge at oil change time, because the little plug at the bottom of ...

The next time you change the oil in your hot rod’s engine, remember that the bottle in your hand represents a supply chain that stretches halfway around the world. When the Strait of Hormuz reopened, ...

Walk into any parts store and you'll see the rows of glossy bottles promising to stop engine wear, boost fuel economy, and make your old clunker run like it just rolled out of the factory. The auto ...

A few days ago, we told you that it would be a smart idea to schedule an oil change sooner rather than later. That remains a recommendation most Americans should follow. However, things are getting a ...

The American Petroleum Institute (API) has updated the standard governing its Engine Oil Licensing and Certification System ...

I once had an oil pan with an “Exxon Valdez” sticker. Partly a joke, it reminded me to be careful when changing motor oil. Put the pan in the wrong place, drop the oil filter, or get distracted, and ...

Engine oil performs several vital functions: it keeps everything lubricated and running smoothly while also preventing corrosion inside the engine block, keeps things somewhat clean, and even helps ...

There was a time when motor oil was motor oil. The engine in your car or truck was built with low stresses in mind, with wider tolerances and the expectation that it would have to be overhauled and ...

Companies like Nissan and Toyota are preparing dealer service centers for a motor oil shortage. Here's how it could impact drivers beyond Memorial Day.