TransCanada Corp.’s Keystone XL may be one pipeline too many for Canada, at least for now. Construction of the export line would supply Western Canada with more pipeline capacity than needed through 2030, assuming it were operating in the next decade along with the Trans Mountain pipeline expansion and Enbridge Inc.’s Line 3, according to research released by the Canadian Energy Research Institute on Tuesday. The three lines would raise the country’s crude export capacity to about 5.5 million barrels a day from just under 4 million barrels a day last year, according to CERI. Alberta’s growing crude oil production, mostly from the oil sands, won’t exceed the capacity of existing and three planned expanded oil pipelines for another twelve years. Canadian heavy crude prices have traded at an average discount to […]