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 ...

There's a whirl of special motor oils you can buy if your car has over 75,000 miles on the odometer. Which kind you need ...

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, ...

It's basically impossible for the oil in your car's engine to get hot enough to boil. However, it it does happen, these are the bigger issues you'll be facing.