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 ...

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 ...

When discussing cheap motor oil and whether it is safe to use it in your car, the answer is yes, you can — as long as it meets certain minimum requirements. What you should not be using is low-quality ...

It doesn't matter if you have a hybrid or conventional gas-powered car, a good motor oil can make the difference between a long-lasting engine and a sputtery ride. Here's what you should look for when ...

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, ...

The Ford 6.7-liter Power Stroke diesel engine is known for reliability and durability. What type of oil does it use, and how much do you need at each change?

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