I would love it if CNG conversions were less regulated and restricted so more could afford to change over. If the market is there, stations around the valley will pop up. As for the buses, they tried them in the 90's and the engines couldn't handle the hills. An article from 2010 said they were going to try again but not much since.
http://www.sltrib.com/sltrib/home/50126894-76/buses-uta-cng-utah.html.csp