Concerned raised over Rail Runner's carbon emissions

NEW MEXICO (KRQE) – As ridership continues to rise for the state's large commuter rail, concerns are being raised about the number of passengers it carries to offset CO2 emissions.The Rail Runner transports thousands of riders throughout the day, but a recent newsletter from the Legislative Finance Committee said ridership needs to go up if the train wants to offset its carbon footprint.The newsletter states ridership must increase by 23% to reduce emission levels to match that of rid