Reuters | Keystone XL oil pipeline in doubt as US asked to pause review Reuters The Canadian company behind the proposed Keystone XL pipeline has asked the U.S. government to suspend review of the $8 billion project that sparked a political war between environmentalists and the oil industry. If granted by the U.S. State Department ... TransCanada Asks Obama to Suspend Review of Keystone XL Oil Pipeline FACTBOX-Issues facing Keystone XL oil pipeline Trans Canada Corp. Pulls the Plug on Keystone XL Oil Pipeline |