Links:
http://www.ct.gov/deep/cwp/view.asp?a=2714&q=440320
https://cleantechnica.com/2013/08/26/us-wastes-61-86-of-its-energy/
https://www.energysage.com/energy-efficiency/101/ways-to-save-energy/
http://www.visualcapitalist.com/what-uses-the-most-energy-home/
