Harper did nothing for 10 years nor did the Liberals the previous 9 years. Canada is transitioning its energy mix production and exports - however, a complete transformation will not happen over night and Rachel Notley is correct that we (Canada) needs royalties from fossil fuels to finance the transition to  a cleaner fuel production scheme. 
In the meantime the responsible thing to do is get the highest value for our product that gives all governments (Federal, Provincial and yes municipal) the best bang for the buck that also minimizes environment degradation. 
In this context - oil is going to find it's way to market one way or another. This means whether it is by existing and new pipelines or rail - its going to get there somehow. The argument to refine bitumen in Alberta for the "value added" proposition does not wash because the ROI is at least 30 years out. We are talking about not growing production past 2030... Pipelines are the only safe option. Lest we go by rail....