washington/calgary alberta u.s. president donald trump administration approve transcanada corp trp.to keystone xl pipeline friday cheer oil industry anger environmentalists even hurdle controversial project loom approval reverse decision former president barack obama reject project company still need win finance acquire local permit fend likely legal challenge pipeline build transcanada finally allow complete long-overdue project efficiency speed trump say oval office turn ask transcanada chief executive officer russell girling construction would start get work nebraska get permit girling reply nebraska trump say call nebraska trump announce presidential permit keystone xl white house girling sean mcgarvey president north america build trade unions stand nearby say project would low consumer fuel price create job reduce u.s. dependence foreign oil pipeline link canadian oil sand u.s. refiners block obama say would nothing reduce fuel price u.s. motorists would contribute emissions link global warm trump however campaign promise approve sign executive order soon take office january advance project transcanada u.s.-listed share trp.n dip cents close 46.21 friday trump claim project would create 28,000 job unite state 2014 state department study predict 3,900 construction job 35 permanent job president say would get touch nebraska governor pete ricketts late day transcanada apply nebraska public service commission february approval pipeline route state company say expect process conclude year ricketts say statement post twitter project would help state full confidence public service commission conduct thorough fair review application say white house say pipeline exempt trump executive order require new pipelines make u.s. steel much pipe project already build stockpile move forward continue look buy rest materials need ... american manufacturers put american workers work girling tell reporters environmental group vow fight greenpeace say would pressure bank withhold finance multibillion-dollar project others say would fight pipeline court use every tool kit say rhea suh president natural resources defense council since obama nix pipeline base environmental assessment commission state department early 2014 opponents likely argue court trump reverse decision without conduct new assessment fred jauss partner international law firm dorsey whitney former attorney federal energy regulatory commission say local permit would also challenge presidential permit one part web federal state local permit must obtain prior start construction say federal agencies army corps engineer state regulatory commission even local plan board may requirements need fulfil keystone prior construction addition transcanada may still need reach deal hundreds potentially affect landowners pipeline route lot work ahead transcanada keystone xl pipeline would bring 800,000 barrel per day heavy crude canada oil sand alberta nebraska link exist pipeline network feed u.s. refineries port along gulf mexico project could boon canada struggle bring vast oil reserve market government always supportive keystone xl pipeline please u.s. decision say spokesman canada minister natural resources importance common continental energy market overstate president american petroleum institute jack gerard say approval welcome news would bolster u.s. energy security expedite approval project part trump approach 10-year trillion infrastructure package promise campaign trail white house look ways speed approvals permit infrastructure project sometimes take years go regulatory maze transcanada try five years build 1,179-mile 1,897-km pipeline obama reject 2015. company resubmitted application project january trump sign executive order smooth path trump greenlights keystone xl pipeline obstacles loom