US–Canada Trade Deal Collapses as Truck Tariffs Spark 50% Shockwave

Trade negotiations between the US and Canada collapsed on August 21 after Washington limited proposed tariff cuts to passenger cars and light pickups, excluding heavier trucks. The US imposed a 50% tariff on roughly $20 billion of Canadian exports, including vehicles, with Canada vowing to retaliate dollar-for-dollar starting September 8. The breakdown centers on trucks: the US wanted to reserve a tariff reduction to 15% from 25% only for light vehicles, leaving medium and heavy trucks at the higher rate and under new 50% duties. Canada had pushed for the lower rate across all vehicles, but US negotiators carved out trucks at the last minute, a move Canadian Prime Minister Mark Carney called asking “too much and offering too little.” Carney later estimated the 50% tariff wave would hit closer to $28 billion in Canadian goods, up from the initial $20 billion. Canada’s retaliation will target US steel, dairy, farm equipment, pulp and paper, appliances, electronics, furniture, and wine. Automakers with cross-border plants now face higher costs on every truck and SUV built in Canada, costs that will likely land on sticker prices or force production shifts. Some companies had already trimmed EV plans amid tariff uncertainty, adding strain to supply chains already under pressure. The collapse leaves manufacturers and parts suppliers scrambling, with small suppliers in particular accelerating moves to source or build in the US or Mexico to avoid uncertainty. The dispute stems from a proposed framework that would have cut US tariffs on Canadian-built vehicles to 15% from 25%, but the final 72 hours of talks saw a fight over which vehicles qualified. Ottawa insisted the lower rate should apply broadly, while Washington limited it to passenger cars and light pickups—a split negotiators couldn’t bridge before the deadline. Canada’s auto sector, heavily reliant on US sales, builds everything from passenger vehicles to commercial trucks that fleets depend on, making the exclusion of heavier vehicles a major sticking point. With talks dead, the 50% tariff wave is now in effect on a wide range of Canadian exports, and Canada’s retaliation will begin September 8.