This article discusses the potential impact of environmental legislation currently pending before the US Congress on the development of Canadian oil sand as a source of energy. See http://www.ft.com/cms/s/0/13efc1f2-1004-11dd-8871-0000779fd2ac,noOfParas=2,emailFormat=plainText,storyType=ultralight,dwp_uuid=5aedc804-2f7b-11da-8b51-00000e2511c8,print=no,_i_email=y.html