The sponsor of the Keystone XL crude oil pipeline says it is pulling the plug on the contentious project. The pipeline would have transported crude from the oil sand fields of western Canada to Steele City, Nebraska. Canadian officials failed to persuade the Biden administration to reverse its cancellation of the company's permit on the day the president took office. Calgary-based TC Energy said Wednesday it would work with government agencies “to ensure a safe termination of and exit from” the