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 ...

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, ...

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 ...

A mechanic cracked open a neglected engine and what he found was brutal.

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 ...

Competition in the world of business is a good thing for the consumer, right? It keeps prices down and forces innovation. Well, the motor oil space isn't as competitive as you might have thought. For ...

Synthetic oil is worth the extra cost for most drivers. It lasts 7,500 to 15,000 miles between changes compared to 3,000 ...