EPA moves to toughen standards for deadly soot pollution

              FILE - Environmental Protection Agency Administrator Michael Regan discusses elements of a coordinated response of federal, state and city agencies, that he hopes will help deal with the city's long-standing water problems, during a news briefing, Sept. 7, 2022, in Jackson, Miss. The Biden administration is proposing lower limits for a deadly air pollutant, saying tougher standards for soot from tailpipes, smokestacks and wildfires could prevent thousands of premature deaths a year. (AP Photo/Rogelio V. Solis, File)
              Traffic moves along along 99 south in Fresno, Calif., Dec. 28, 2017. Fresno displaced Fairbanks, Alaska as the metropolitan area with the worst short-term particle pollution, a 2022 report by the American Lung Association found, while Bakersfield, Calif., continued in the most-polluted slot for year-round particle pollution for the third year in a row. (John Walker/The Fresno Bee via AP)