Engine oil color reveals its age, contamination level, and operating condition. Fresh oil is amber or light brown. Oil darkened to black but still translucent after a few thousand miles is normal.

CCJ's 10 44 is brought to you by Chevron Delo, heavy duty diesel engine oil. Now there's even more reasons to choose Delo. An oil sample is only as good as the method used to pull it. You're watching ...

Motor oil is the lifeblood of a car's engine. It keeps all those little components lubricated to keep the engine running smoothly and quietly. Most car owners know how important it is to change motor ...

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 ...

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.

Some myths surrounding motor oil just won't go away, but there is truth to the notion that oils with higher viscosity ratings are better suited for warmer climates than lower viscosity oils. Since ...