Gasoline and diesel fuel are perishable commodities, and that’s why fuel stabilizers matter. Add a small amount of fuel stabilizer to stored fuel and your lawn mower, snowblower, rototiller ...

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 ...

It's key to know exactly how much to use, which varies from brand to brand. For example, if you're looking into the STA-BIL brand stabilizer, a 4-ounce bottle is good for 10 gallons of fuel ...