Bank Of Canada’s Macklem Says Q4 Growth Could Be Roughly Halved If New U.S. Tariffs Remain In Place; Would Expect Inflation To Edge Up In Coming Months If Oil Prices Stay Near $100/Barrel; Fuel Prices Have Risen More Than Normally Expected, Reflects Damage To Global Refining Capacity Haven't Seen Evidence Higher Oil Prices Are Spreading To Other Goods And Services