The smoke stacks at American Electric Power's (AEP) Mountaineer coal power plant in New Haven, West Virginia, October 30, 2009. In cooperation with AEP, the French company Alstom unveiled the world's largest carbon capture facility at a coal plant, so called 'clean coal,' which will store around 100,000 metric tonnes of carbon dioxide a year 2,1 kilometers (7,200 feet) underground.
