U.S. and Canadian statements regarding the decision on the Keystone XL oil pipeline may reflect a changing energy landscape in North America. Industry supporters, and leaders whose economies depend in part on oil revenue, expressed frustration with the U.S. decision to deny TransCanada’s permit to build the cross-border pipeline. But from the economic standpoint, many statements reflect evolving priorities in the new era for oil. In its record of decision and national interest determination of the pipeline, the U.S. State Department, charged with vetting the project, said there were questions about the necessity for additional North American pipeline capacity given […]