yes I was able to make my own by water washing. I saw a 9mpg improvement in fuel economy. I however have NOT been able to test this on "summer blend" gasoline. that was winter blend. SO it may have been a larger increase due to ethanol AND winter blend mixing???
in the summer I lack the funds to go buy 30-40 gallons of gasoline since summer is when I have my events and trips planned. (naram ldrs etc..)
I also discovered my container I used to MAKE IT will not work long term. it lasts for about 20-30 gallons of gas before the ethanol destroys the plastic (only at the bottom where the ETHANOL sits) the gasoline does not effect the plastic.
I am on the prowl for a larger than 5 gallon glass carboy. wine makers etc.. use them sadly they are also rather expensive. Once I find such a thing at a price I am afford I will try again with summer blend gasoline.
On E10 I get 52-54mpg I am hoping to break 60mpg with E0. its just a matter of time and money.
I have a LOT of work to do on my geo my van and my boat this summer so we shall see.
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