Denver Post: ION Engineering CEO Alfred Brown stands in the pilot machine his company has created to separate carbon dioxide from industrial emissions. (Erin Hull, The Denver Post)Related StoriesNov 24:Buildup of CO2 in atmosphere tied to use of fossil fuels
Coal has been tagged the bad boy of fossil fuels -- releasing a host of pollutants -- and the utility industry has worked to clean up its act. Scrubbers have been added to remove acid-rain-causing sulfur dioxide, burners to cut ozone-forming nitrogen oxides...