Our favorite Russian car vloggers are at it again with another strange experiment. Can you use a bunch of oil filters to restore dirty, black engine oil back to new again? Vlad from Garage 54 is ...

Engine oil turns black from a combination of combustion byproducts, heat oxidation, and detergent additives suspending carbon particles in the fluid. Black oil is not automatically a sign of a problem ...

Add Yahoo as a preferred source to see more of our stories on Google. Oil stain on concrete under a car - Nongasimo/Getty Images If you've ever spotted a dark, greasy blotch under the car in your ...

Nobody wants a greasy, grimy engine. Like everything else on your vehicle, you want yours to be squeaky clean. But how do you clean your car engine safely and effectively? Let’s break down the process ...

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 ...