Everyone thinks their job is tough, but the chemists formulating modern motor oil really earn their paychecks. As the EPA continues tightening up on emissions standards, it has forced motor oil ...

The engine oil coursing through your car is so much more than just a lubricant for its moving parts. Engine oil protects the components under the hood, helps dissipate heat, and works to keep your ...

Although engine oil enters cars as a yellow liquid, you'll almost always find its color to be brown or black when it's being ...

Changing your car's oil is a great feeling, right? You save money, you feel self-reliant, and you get to look at the black goop you just drained and think, "Yep, that did some serious work in there." ...