Boost Performance Products CleanBoost Maxx 08oz Fuel Treatment for Gas & Diesel Fuel - Treats 240 Gallons CleanBoost 8oz. Maxx is a small and convenient size to take with you on a road trip. This one 8oz. bottle will treat up to 240 gallons of either diesel or gasoline. This special squeeze-type container allows just the right amount of Maxx into the built in chamber for easy dosing of your fuel system. Feel the power and smoothness of your engine as CleanBoost Maxx begins to go to work destroying carbon deposits, removing harmful water acumulation, blowing out slagging and cold-end corrosion. CleanBoost Maxx is a super concentrate combustion improver, specially formulated to maximize both performance and fuel economy. Enjoy the extra horsepower and increase in fuel economy. CleanBoost Maxx will allow any size fleet to save operating costs by reducing emissions, increasing fuel economy and providing cleaner running equipment.