Motor oils are broadly categorized into fully synthetic, conventional, and synthetic blends (also called semi-synthetic or part synthetic), with semi-conventional and high-mileage full synthetics ...

Walk into any auto parts store and you're smacked with a wall of brightly colored bottles promising "protection," "performance," and probably enlightenment if you squint hard enough. Somewhere in that ...

ConocoPhillips' new Triton ECT 5W40 Full Synthetic is a premium API CJ-4 diesel engine oil with potential to offer fuel savings along with other benefits From pricing intelligence and compliance tools ...

One of the most common car-care questions is also one of the most confusing: what kind of motor oil do you really need—and is synthetic worth the extra cost? Motor oil keeps your engine lubricated, ...

Motor oil and the subsequent maintenance have been around since the invention of the automobile. From the earliest days, automakers made lubrication oil from animal fats and vegetable oils. Eventually ...

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 ...