The Canadian pipeline company that had long sought to build the Keystone XL pipeline announced Wednesday that it had terminated the embattled project, which would have carried petroleum from Canadian tar sands to Nebraska. The announcement was the death knell for a project that had been on life support since President Biden’s first day in office and had been stalled by legal battles for years before that, despite support from the Trump administration. ught to build for over a decade. That same day, TC Energy, the company behind the project, said it was suspending work on the line.