American Electric Power Plant

American Electric Power Plant

Michael Williamson/The Washington Post

Workmen do a spot weld repair job on the Selective Catalytic Reducer (it filters the coal dust before it can be emitted) at the Muskingum River American Electric Power plant. Parts of the A.E.P. coal-burning power plant in Beverly, Ohio may have to shut down in a couple of years if they can't meet new clean air standards.