[ChildOfThe60s]

While not a solution by any means, this can help....
404 gas stations in AR with alcohol free gas.

http://pure-gas.org/index.jsp?stateprov=AR

[Eric in the Ozarks]

Missouri gas stations can offer straight premium gasoline, 91 or 93 octane. It’s all I use in my mowers, outboard motors and the like.
Unfortunately, it $.50 to $.65 over 87 oxy.

[RightGeek]

Thanks for posting that site. Looked up my state and found a station in my town that I did not know about.