Workers pump a concrete mixture being used to reinforce a stormwater tunnel being built beneath East Morehead Street in Charlotte.
Workers pump a concrete mixture being used to reinforce a stormwater tunnel being built beneath East Morehead Street in Charlotte. MARK HAMES mhames@charlotteobserver.com
Workers pump a concrete mixture being used to reinforce a stormwater tunnel being built beneath East Morehead Street in Charlotte. MARK HAMES mhames@charlotteobserver.com
Earth & Energy

Earth & Energy

Notes on energy and the environment in the Carolinas

Earth & Energy

June 12, 2015 2:00 AM

Duke Energy can do more to recycle ash, panel reports

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