After being hamstrung for years by a lack of export capacity, Canada's oil industry will have reason to celebrate when the much-anticipated Trans Mountain pipeline expansion comes online, expected to be sometime this spring. But the party may be short-lived, as the more-than-$30-billion pipeline is expected to quickly fill up - returning Canada's oil producers to a “Groundhog Day” scenario of restricted growth and depressed prices. “I think the industry wanted to believe Trans Mountain was the answer.