AdvertisementU.S. Coal Exports Soar To 1991 HeightsApril 10, 2012Bill ChappellfacebookEmailAs U.S. coal consumption has fallen, its exports of coal have risen. Pictured, Midwest Generation's Crawford Generating Station, a coal-fired power plant in Chicago. The city's two coal-fired plants are closing under a deal with city officials and environmental groups. (AP)