XFT  contains no lacquers,paint thinners ,etc. like *0 **0% of the fuel additives on the market today.XFT has 5 components. 1 major-organo-metallic compound and 4 minor compounds. *-demulsifiers *-stabilizers 3.polymerization retardants and dispersants *-lubricants also detergents.Improves mileage up to *5%,prolongs engine life,improves horsepower,and reduces emissions up to *3%.Time tested over *8 years,2.5 billion miles and *5 million hours of operation.Registered with EPA as an approved smartway transport partner.sold over 2 decades in the industral market,Patented,proven and works every time it's used.Highly concentrated (1/4 oz. treats *0 gallons of fuel).Has no alcohol,kerosene or other chemicals that can harm engine parts.Simply put ,If you are not using XFT*-Xtreme Fuel Treatment you are throwing money out the exhaust.Order a bottle and save on every tank every time.