Letter: Work faster to clean up the air

As I read the article in Sunday’s paper describing HC1010 — dubbed the Utah Roadmap — I was shocked by its recommendations.Taking 30 years to reduce air pollution by 50% and carbon emissions by 80% seems remarkably passive. The average lifespan of a car is only 12 years — probably half that for the high-mileage ones used for commuting. That means the vast majority could be replaced in seven or eight years. Large semi-trucks historically last 15-20 years, but are facing to