I have been using this enzyme treatment in my fuel system in all my machines for a few months now. So far I "feel"it is doing a good job of combating ethanol, water build up, prohibiting poor gas from hurting my engines. Its unlike all the other cleaners as its only used 1/2 oz. To 16 gallons in the concentrated formula. The manufacturer has plenty of data to back their claims up. I was just wondering if anybody else is using it and their thoughts. Thanks!