Collector cars spend more time as garage queens than they do as road warriors. And that means they sit around—especially through the winter months—with gasoline in the tank. In the old days, this wasn ...

Chances are, no one is intentionally adding water to your fill-up. However, there could be many other ingredients in there.

If you are like most Americans, your car is older and perhaps starting to show its age, so it's natural to wonder if it doesn't need a little extra something to give it more oomph. While it is ...