Wall Street Journal | Oil Rallies on Output Threats in Canada and Libya Wall Street Journal U.S. oil briefly reached some of its highest prices of the year Thursday as Canadian wildfires and a threat to block exports from Libya have traders betting on tightening supply. Before pulling back, U.S. oil breached $46 a barrel for only the fourth ... Oil jumps as Canada fire, Libya violence unleash supply fears Oil prices surge above $45 amid Canadian wildfire Wildfire in Fort McMurray, Canada Causes Oil Prices to Surge |