Concentrated All-in-One liquid fuel additive for all Gas and Diesel engines; bottles have built-in measurement chamber for no-hassle treatment of fuel tanks; DurAlt® provides everything your engine needs in a single bottle!

Tiny amount added to fuel boosts fuel economy 8% to 12% while reducing emissions up to 61%; great for bulk tanks

Will not void engine warranties. 40-year history of improving performance in all engine types from 2-stroke to ocean-going ships.  Money-Back Guarantee!