Cenex - CENEX
2801 Harrison Ave, Butte MT
406-494-2558
Ethanol-free octane ratings: 91
GPS coordinates: N 45.98372 W 112.50798 (located from address)
Updated by Jonathan Lathbury, January 02, 2018 22:28 CST
Added phone number.
Updated by Andrea, November 18, 2017 18:41 CST
91 non-ethanol found here 11/17/2017
Updated by Andrea, November 18, 2017 18:38 CST
Reactivated.
Removed by Lisa, April 23, 2013 9:38 CDT
RD's Travel Stop was recently sold, the new brand is Cenex / Zip Trip and is not ethanol free
Posted by Roy Morris, September 26, 2011 10:02 CDT
Elevation in Butte MT is 5400'. Consequently the refineries in Montana produce a slightly lower octane (NoLead is 85.5) because the higher the elevation the lower the octane needs to be. For instance if your vehicle's manual says it requires 86 or 87 octane, 85.5 octane NoLead will be perfectly fine. http://www.summitdaily.com/article/20050812/NOTES/50812008