Enlarge image | WARNING This location does not sell propane for use in motor vehicles. It is illegal to use propane to power a motor vehicle for which excise tax has not been paid. Must be posted in a prominent place, C.R.S. 39-27-104(5)(a)(II) Colorado Fuel Tax Unit PO Box 18027 Denver, CO 80217 Website: tax.colorado.gov/fuel-tax Email: DOR_ExciseTax@state.co.us Phone: 303-205-8205 |