What if the Alberta government bought controlling interest or a board-level stake in KML. Then shut off shipments of diesel and gasoline to BC. That could be interesting. 
CN Rail is moving a lot, a really big lot, of crude by rail to Vancouver. All those crude tank rail cars hanging over the Thomson and Fraser rivers and no British Columbian says doodley-squat. Running through Jasper National Park before they get to BC. 
People have to shake their heads. Pipeline or rail car, it's going to go.
Which is safer?