The first step in any repair job, especially to engines, transmissions and other traditionally oily components, is to clean away all the accumulated grease and gunk. Oil and grease, baked by engine or ...

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 ...

Oil changes are a key part of regular maintenance on your car, but the process involves more than just changing the oil. You'll also change your oil filter. All oil eventually gets dirty as it moves ...

Harvard's oil recycling system, installed on this Caterpillar 980G loader, cleans the used oil so it can be reused in the engine. Both engine and hydraulic filters, shown here on a mixer, keep ...