Five ways Alberta could retaliate against B.C.'s pipeline obstacles

Faced with a potential new obstacle to exporting Alberta oil, Premier Rachel Notley has pledged to stand firm in defence of jobs and the battered oil industry — but has so far offered few specifics.
The British Columbia government took direct aim at Kinder Morgan’s $7.4-billion Trans Mountain pipeline expansion from Alberta to the West Coast earlier this week by proposing to restrict increases in bitumen shipments until it can conduct further spill response studies. 
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