A bottle of olive oil and a bottle of avocado oil might look similar sitting side by side on your kitchen counter, but when ...

Car maintenance can be as difficult as it is messy. This is primarily because there are just so many fluids involved. Fluids of the darkest, stickiest, most potentially dangerous sort, in many cases.

Diesel and gasoline engines might look alike under the hood, but they use oil in very different ways. Gas engines run cleaner, but diesels create much more soot, crank out higher compression forces, ...

Your car's engine won't immediately fail, make awful noises, or grenade itself from within if you give it the wrong oil. However, using the incorrect oil for long enough can cause premature wear and ...