Casey's General Store - CASEY'S
300 W Broadway, Trenton IL
618-224-9112
Ethanol-free octane ratings: 91
GPS coordinates: N 38.60554 W 89.68583 (entered by Larry Schuff)
Updated by Scott Thomas, May 07, 2020 13:11 CDT
Pretty sure this is the closest station to St. Louis as well. I haven't found one closer.
Updated by Jonathan Lathbury, April 27, 2020 10:00 CDT
Updated name.
Updated by Adam, March 21, 2020 15:26 CDT
They are still selling 91 octane E0 as of March 21, 2020.
Posted by Larry Schuff, May 25, 2019 10:22 CDT