If Wichita’s air quality declines, the cost to residents and businesses will be millions of dollars, city officials said Tuesday.How much? Tighter regulations, beginning with auto emissions. Two to eight cents more per gallon of gasoline. Higher retail prices everywhere. Higher energy costs. Lost jobs, through business closings and lost economic development opportunities.Those are the stakes before the city in a decisive summer that will determine whether the Environmental Protection Agency finds Wichita out of “attainment,” a bureaucratic term meaning the city has more than 75 parts of ozone per billion parts of air on average over eight hours.Read more