I found several gas stations in my area that sell E Free. If you have Sheetz in your area some but not all of them have a pump with E (Ethanol) free gas. While I have 2 Sheetz's within a mile of my house, I make a10 mile round trip to Neville Island where they have it on a pump. I called around...
Zep chemicals have a warning to only use in pressure washers that add the chemicals to the water down stream ( past the pump ). I called Sears and after much checking they said theirs were up stream ( mixed in the pump). Since Home Depot etc only sell Zep and none of the other brands of pressure...