Apparently the EPA is making the rounds and demanding that states reduce their emissions of CO2. Wyoming has a law that forbids them to take part in schemes like this, so the governor of the state had to tell the EPA to go take a walk. When they make their way to Indiana, the governor will likely cave in and do what they want.
Governor to EPA: Wyo can't regulate greenhouse gas | Top AP Stories | Chron.com - Houston Chronicle
Governor to EPA: Wyo can't regulate greenhouse gas | Top AP Stories | Chron.com - Houston Chronicle