Indiana is one of 28 states suing the Environmental Protection Agency over the Clean Power Plan, which President Donald Trump began rolling back Tuesday.
Trump will nominate Oklahoma Attorney General Scott Pruitt to be the next Environmental Protection Agency administrator.
Even if Trump rolls back environmental protection rules, natural gas is still more competitive fuel source than coal.
A coal company's plans for a new mine shaft in southwestern Indiana is facing opposition from nearby residents.
Five coal plants in Indiana ranked in the top 100 for both toxic and greenhouse gas pollution — more than any other state.
The Environmental Protection Agency identified Rockport as the sixth largest carbon polluter nationally in 2014.
Notre Dame wants to cut its carbon footprint by more than half in the next 15 years
The utility company recently filed the petitions with the Indiana Utility Regulatory Commission.
Democratic presidential candidate Hillary Clinton spoke Sunday in Indianapolis at the U.S. Conference of Mayors.
Coal-fired power plants in Indiana are balancing federal demands with business pressures in a number of ways.