Duke Energy talked ash lawsuits with regulators | CharlotteObserver.com. Emails released Thursday by lawyers for environmental advocacy groups show that Duke Energy and regulators discussed the state lawsuits filed last year over coal ash. Read more here: http://www.charlotteobserver.com/2014/03/13/4763559/duke-wanted-state-to-sue-over.html#.UyKb6fldVqU#storylink=cpy