Find out why this special liquid is so important for trouble-free operation of engines stored for more than a few months.

Fuel does not stay fresh forever. Gasoline begins to oxidize in a few months, forming sticky varnish and gum that can clog ...

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 ...

Is it really necessary to add a fuel stabilizer like STA-BIL to the fuel tanks of gasoline-powered engines that won’t be used over the winter? According to Zach Santner, petrochemical engineer with ...

So I've been looking to keep some gasoline around in my motorcycle that I don't ride for a few months out of the year and some spare in a gas tank for a generator (which I'll dump in my car every few ...

Viewer-submitted questions for The Car Doctor: Q: My Honda CRV is two years old with only 12,000 miles, mostly local driving. What are some questions I should ask when I take it into the Honda ...

One of the regular questions relating to the Chevrolet Volt is: what happens to the fuel in the tank if it’s not used for extended periods of time and the car is only run on plug power? General Motors ...