http://www.carleton.ca/engineering-design/2013/creating-an-echo-eco-home-designed-and-built-by-students-gets-set-to-square-off-against-others-in-u-s-competition/ Carleton University Wed, 17 Jul 2013 15:55:14 +0000 hourly 1 http://wordpress.org/?v=3.5.2