Natural-gas plants cut carbon, but methane emissions can be 100 times higher than expected

Cooling tower at power plant, by Flickr user Paul J Everett (Used under CC License)While renewable energy gets significant press as an alternative to coal in electricity generation, it isn't the main factor in decreasing the use of that carbon-intensive fuel. Thanks to its generally lower cost, natural gas is quickly displacing other fuels in the nation's power plants. In addition to its cost benefit for electric utilities...