In this Sept. 21, 2017 file photo, the BP Whiting refinery in East Chicago, Ind., is shown on Sept. 21, 2017. Oil giant BP agreed Thursday, Dec. 2, 2021, to pay a $512,450 penalty and reduce soot emissions from its Whiting refinery in Indiana under an agreement with regulators and activists who accused the company of violating an earlier deal. (DroneBase via AP, File)