Proposed new regulations from the EPA would loosen requirements for protecting groundwater near power plants where the toxic residue from burning coal is stored. EPA Administrator Lee Zeldin calls the changes ‘commonsense’ moves to maintain American energy dominance.By Arcelia MartinAt a virtual public comment hearing hosted by the U.S. Environmental Protection Agency on Thursday, a long line of environmental advocates voiced strong opposition to proposed new regulations weakening requirements that utilities must follow in cleaning up toxic coal ash residue at hundreds of sites across the country at which coal was burned to produce electricity.