AdvertisementCALGARY --U.S. President Joe Biden on Wednesday formally revoked the permit needed to build the Keystone XL oil pipeline (KXL), dashing Ottawa's hopes of salvaging the $8 billion project that the struggling Canadian crude sector has long supported.The move represents another set-back for the beleaguered Canadian energy industry, kills thousands of jobs and marks an early bump in Biden's relationship with Canada, a key trading partner. Biden had long promised to scrap the permit.Kirsten Hillman, Canada's ambassador to Washington, told CTV that Ottawa was "very disappointed."...…AdvertisementCALGARY --U.S. President Joe Biden on Wednesday formally revoked the permit needed to build the Keystone XL oil pipeline (KXL), dashing Ottawa's hopes of salvaging the $8 billion project that the struggling Canadian crude sector has long supported.The move represents another set-back for the beleaguered Canadian energy industry, kills thousands of jobs and marks an early bump in Biden's relationship with Canada, a key trading partner. Biden had long promised to scrap the permit.Kirsten Hillman, Canada's ambassador to Washington, told CTV that Ottawa was "very disappointed."...WW…