Colorado attorney general to join challenge of Clean Power Plan

Colorado Attorney General Cynthia Coffman said Saturday she will join a multi-state legal challenge to the Clean Power Plan, a federal rule that will require Colorado to sharply cut carbon dioxide emissions from power plants. The Environmental Protection Agency unveiled the plan on Aug. 3. "The rule is an unprecedented attempt to expand the federal government’s regulatory control over the states' energy economy,” Coffman said. “The EPA appears unwilling to accept limits set by Congress in…