Letter: We need some innovation to clean the air

It seems we have a public awareness campaign about our dirty air. Billboards, radio and TV ads and daily air quality reports are good. To her credit, Salt Lake City Mayor Jackie Biskupski will make UTA more available, and UTA advertises gas- and electric-powered buses.I read about cities developing, implementing nifty solutions that I don't fully understand. It's likely safe to say that to make headway into cleaner air, we will need some innovation, technical solutions and the cooperation of pol