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U.S. Imposes Steep Tariffs on Canada as Ottawa Considers Retaliation

The moves raise the risk of supply disruptions because Canada supplies large shares of U.S. oil, electricity and farm inputs.

Overview

  • The White House this month put 50% tariffs on Canadian aluminum and about $20 billion in goods and announced 50% duties on cars, trucks and parts starting Jan. 1, 2027.
  • Canadian federal and provincial leaders are publicly debating retaliatory options such as export taxes or limits on oil, fuels or potash but remain sharply divided over the economic costs.
  • Canada sends roughly 4 million barrels of crude south each day, which equals about 20% of U.S. oil consumption, and supplied 85% of U.S. electricity imports in 2023, making energy trade central to the dispute.
  • The current U.S. measures cover only about 5% of Canadian exports to the United States and explicitly exclude energy, yet they risk raising costs across integrated supply chains for autos, aluminum users and farmers.
  • Watch for escalation before the U.S. elections and provincial actions that could target U.S. consumers and industries, including effects on fuel prices, fertilizer supplies and Midwest refineries.