The chief executives of major oil companies are questioning why so many oil rail cars are sitting idle in Alberta, while the provincial government is still limiting oil production. The provincial government introduced the oil curtailment problem seven months ago to boost prices and clear the backlog of oil in the province. Prices did increase, so that Western Canada Select prices traded close to the value of oil south of the border. That unusually narrow price discount has had some unintended consequences. Transporting Canadian oil to the U.S. Gulf Coast by rail became uneconomic, shippers argued. That's why the oil ... (full story)