Energy Consumption & Resources yucel January 25, 2011 Energy, Environmental, Industry, Map, Science, WorldSource  www.travelinsurance.org
Global Energy Demand by region : 2005-2030 yucel April 6, 2010 Energy, WorldSource : www.energyxxi.org
America has become the world leader in wind power yucel March 14, 2010 Energy, WorldSource : http://www.economist.com