DENVER, COLORADO--March 11, 2013--Written by John Egan for Industrial Info Resources (Sugar Land, Texas)--Arch Coal Incorporated (NYSE:ACI) (St. Louis, Missouri) is positioning itself to benefit from a projected sharp increase in global demand for steam and metallurgical coal, Gene DiClaudio, president of Arch's Western Bituminous Group LLC (Grand Junction, Colorado), told attendees at the annual meeting of the Colorado Mining Association (CMA) (Denver, Colorado).