(LINCOLN, Neb.) — Nebraska regulators approved an alternative route Monday for the proposed Keystone XL pipeline. It was the last major regulatory hurdle facing project operator TransCanada Corp., though opponents say another round of federal approval may now be needed. The Nebraska Public Service Commission’s ruling was on the Nebraska route TransCanada has proposed to complete the $8 billion, 1,179-mile (1,897-kilometer) pipeline to deliver oil from Alberta, Canada, to Texas Gulf Coast refineries.