Politics abcnews.go.com Keystone line to remain closed until corrective action taken Federal regulators have ordered the Keystone pipeline to remain shut down until its Canadian owner takes corrective action.
Newsletterupload.wikimedia.org Court orders federal agency to explain pipeline decision The nation's top appeals court has ordered a federal agency to explain why it approved the construction of a pipeline sending substantial quantities of natural gas to Canada.
A controversial facility that would process plastic waste to be burned in steel mills has been cancelled
