Casey's General Store - CASEY'S
2136 Walnut St., Murphysboro IL
Ethanol-free octane ratings: 91
GPS coordinates: N 37.76432 W 89.34801 (located from address)
Posted by Chip Hillesheim, October 29, 2019 15:38 CDT
Not sure how 'pure' as I have nothing to test it with except that my car is getting much better fuel economy with it!