Every engine requires oil to function, though oil itself has changed a lot over the decades. It's no longer a bad idea to use ...

When it comes to maintaining your car, few decisions are as important as the type of motor oil you use. Motor oil is the ...

Synthetic oil is a go-to choice for many vehicle owners, but does it improve fuel economy? If better mpg is your goal, here's ...

Yet another way synthetic oil can save drivers money is through improved fuel economy. Don’t go looking for a huge increase if you make the switch, but Martin said Royal Purple can actually ...

Semi-synthetic oil is a blend of mineral and synthetic oil. The ratio of the mixture typically ranges between 35/65 and 25/75 of mineral and synthetic oil respectively.

Synthetic oil also performs better in extreme temperatures, hot and cold. When to Upgrade Your Oil “Normally, you should use the oil your owner’s manual recommends,” Ibbotson says.

Engine/Motor oil keeps your car running smoothly, but picking the right type can feel overwhelming. With mineral, semi-synthetic, and fully synthetic ...

Synthetic oil used to be something only performance cars needed, but not anymore. Now it’s the manufacturer-recommended engine lubricant in many mainstream vehicles, such as the Subaru Forester ...

The superior lubricating qualities of so-called “synthetic” engine oil are not about any magic added to it. It stems from what they leave out!