Commentary: What can Utah do about its air quality?

After a brutal summer of smoke and poor air quality, it is literally time to take a deep breath. Most of us were shocked this summer when we were unable to see our nearby mountains in the middle of the day.As winter approaches, we must ask what steps have we taken to improve air quality since last winter? Then, what are we going to do next year to improve from this summer?As almost half of our air pollution comes from vehicle emissions, and much of the traffic volume is commuters, do we have a p