Just because the oil on your dipstick is black doesn't mean it's time for an oil change. In fact, that really just means the ...

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 drained. Here's why.

After my 1955 Chevy V8 hasn't been driven for a week or more, when going downhill under engine compression braking, fairly heavy white smoke comes out of the exhaust ports. Why is this happening The ...

As reported last week from Mooresville, N.C., at the tear down of two Cummins ISX engines that reached 1 million miles each using exclusively EcoPower recycled engine oil, the test equipment consisted ...

Due to the fact that 100% efficiency cannot be achieved by any engine, products other than water and carbon dioxide will be formed during combustion, such as soot, which is formed as a result of ...