FILE - This aerial photo shows the Standard Oil Refinery in El Segundo, Calif., with Los Angeles International Airport in the background and the El Porto neighborhood of Manhattan Beach, Calif., in the foreground, May 25, 2017. The board of the South Coast Air Quality Management District adopted rule changes, Friday, Nov. 5, 2021, requiring emissions limits on oxides of nitrogen, that could remove tons of smog-forming pollutants from the air. (AP Photo/Reed Saxon, File)
Southern California enacts new smog rules on refineries

FILE – This aerial photo shows the Standard Oil Refinery in El Segundo,.