Motor oil is a necessary lubricant for long engine life. But, what if you now needed to make sure you have enough dead trees to change your car's oil?

Some people want to buy avgas for their performance vehicle, or their sand rails. But quite a few unsuspecting people in New Jersey may have gotten the aviation fuel during a fill up when a gas station filled their underground tanks instead of unleaded.

In the early 1980s, American car makers started toying with diesel engines. The results were, well, terrible, but some people still like those old oil-burners, including one chap who converted his 1978 Corvette into a diesel. Because... semi-truck?

Have you ever gotten the feeling that Federal Government help simply hurts too much to accept. Our Tech Editor talks about that issue and explains what you can do to prevent it.

Recent advances in synthetic base-stock oils have led to thinner race and street oils that still provide exceptional bearing-oil thickness. Joe Gibbs Driven offers a number of formulas, including those specific to t

Is there really anything more to racing fuel than octane numbers? We talk to a couple of experts in the field to find out what you REALLY should know about racing fuel.