US Refiners Face Import Crunch from Top Crude Seller
US refiners face a potential supply drop from Canada, their largest foreign crude supplier, due to planned maintenance. Canada supplies over 4 million barrels a day, with Midwest refineries relying on it for 70% of their supply. A 300,000 barrel daily shortfall is expected, with Alberta's stockpiles at low levels. Canadian oil prices have spiked, with diesel-rich synthetic crude's premium reaching almost $20 a barrel. Companies like Suncor Energy and Canadian Natural Resources plan maintenance s




