Keywords: Energy Secretary Chu Visits Purdue's Solar Decathlon House.jpg en Purdue University students cheer with U S Energy Secretary Steven Chu outside their entry in the U S Department of Energy Solar Decathlon 2011 in Washington D C Friday Sept 30 2011 Credit Stefano Paltera/U S Department of Energy Solar Decathlon 2011-09-30 06 24 07 http //www flickr com/photos/departmentofenergy/8660697767/sizes/o/in/photostream/ ENERGY GOV ENERGY GOV http //flickr com/photos/37916456 N02/8660697767 2013-04-24 14 50 33 United States Government Work PD-USGov Uploaded with UploadWizard Steven Chu |