The U.S. Congress is preparing to vote on expediting the Keystone XL pipeline. But plummeting oil prices and opposition to other proposed pipelines for tar sands oil are upending the rationale for this controversial project.
BY JACQUES LESLIE
The U.S. Congress is preparing to vote on expediting the Keystone XL pipeline. But plummeting oil prices and opposition to other proposed pipelines for tar sands oil are upending the rationale for this controversial project.
BY JACQUES LESLIE