By Benjamin Shaw, Capitol News Connection
http://stream.publicbroadcasting.net/production/mp3/kera/local-kera-585598.mp3
Dallas, TX –
Texas uses more coal - and emits more Carbon Dioxide - than any other state in the country. Some in Congress are pushing new technology they say will make coal cleaner and more efficient. And in turn fight the greenhouse gases that cause global warming. Benjamin Shaw Reports from Capitol Hill.