While fresh oil is generally transparent and amber colored, black oil may mean it's time for a replacement and frothy oil can ...

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

Semi-synthetic motor oils use a combination of mineral and man-made oil, while synthetic blends tend to have fewer impurities ...

Putting vegetable oil in a car engine is a terrible idea and should never be done, or at least that's what some experts say.

In the world of automotive engine oils, 0W-20 is one of the thinnest, though oils as thin as 0W-8 are now used. The 0W stands for 0-weight in winter, and the 20 stands for 20-weight when the oil is ...

Want to take the best possible care of your vehicle? Learn all about oil filters and when and why your car needs an oil ...

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, ...

Selecting the right engine oil can be challenging. Between the various different brands and the confusing numbers and oil classifications, you may feel overwhelmed while staring at hundreds of bottles ...

Under normal circumstances, most modern engine oil and gasoline brands work fine on their own to keep your engine running smoothly. But there may be cases where even the best of them could use a ...

The API is aiming for a 2027 rollout of the new engine oil spec, which is meant to enhance performance standards.

GM Authority poll shows owners overwhelmingly want thicker 5W-30 or 0W-40 oil for next-gen V8s, citing durability over thin ...

The oil you put in your engine matters. After all, your engine contains many moving parts that must remain lubricated to work properly. Otherwise, your engine could develop some serious wear and tear.