[PR Newswire] – CHARLOTTE, N.C., Dec. 2, 2014 /PRNewswire/ — Duke Energy today announced it will issue a Request for Proposals (RFP) Dec. 12 for a comprehensive study of ways to beneficially reuse . . . → Read More: Market Update: Duke Energy Corp (NYSE:DUK) – Duke Energy seeks bidders for upcoming Request for Proposals on coal ash management solutions Similar Articles: Market Update: Duke Energy Corp (NYSE:DUK) – Duke Energy offers holiday lighting energy calculator and winter tips to help save energy and money Market Update (NYSE:DUK): Duke Energy announces plans to begin removing coal ash from four North Carolina sites Company Update (NYSE:DUK): Duke Energy enhances its coal ash management operations