Over the past 40 years, efficiency has contributed more to meeting US energy demand than oil, coal, nuclear and renewables combined.
[source: http://feeds.sustainablebusiness.com/~r/SBGeneralNews/~3/ZPJoo9M32qI/25289]
Over the past 40 years, efficiency has contributed more to meeting US energy demand than oil, coal, nuclear and renewables combined.
[source: http://feeds.sustainablebusiness.com/~r/SBGeneralNews/~3/ZPJoo9M32qI/25289]