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 ...

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 ...

That gas sitting in your garage may not be as reliable as you think. Here's how long you can safely store it before it starts ...

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 ...

Preparing your lawn mower for winter storage protects the engine and saves you costly repairs in spring. Leaving old gas in the tank can create sludge that clogs the carburetor, resulting in ...

Fuel does not stay fresh forever. Gasoline begins to oxidize in a few months, forming sticky varnish and gum that can clog carburetors, injectors, and fuel filters. Diesel faces its own problems: as ...

The truth about storing your mower with a full tank. Preparing your lawn mower for winter storage protects the engine and saves you costly repairs in spring. Leaving old gas in the tank can create ...