Opinion: Sustainable Energy and Cleantech Trends for 2014

http://breakingenergy.com/2013/12/18/opinion-sustainable-energy-and-cleantech-trends-for-2014/?utm_source=Breaking+Energy&utm_campaign=864e2cc9ab-RSS_EMAIL_CAMPAIGN&utm_medium=email&utm_term=0_f852427a4b-864e2cc9ab-407304281