Thank you for posting the link to pure-gas.org. I found a station (Santa Fe, NM) that is not exactly local to me, but it's reasonably accessible when I'm down that way. For a long time, I was so proud that all the stations in my area (Los Alamos, NM) have "real gas", then one by one they all went to E10...actually, they say "up to 10% Ethanol", but I'm assuming that means it's almost always E10.
Your MPG improvement is startling.
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