When trade negotiations between Canada and the United States broke down, the consequences fell unevenly. The Trump administration responded by imposing 50 per cent tariffs on a broad range of Canadian exports. Prime Minister Mark Carney announced that Canada would match them, dollar for dollar, with retaliatory tariffs of its own beginning September 8. What followed was not a united Canadian front, but an argument about which weapons the country is willing to use.
At the centre of that argument stands Alberta Premier Danielle Smith. She described the last-minute American negotiating demands as 'untenable' and 'too painful' for Canada to accept, and called for federal negotiators to return to the table before the September 8 deadline. Yet she has drawn a firm line against one category of retaliation: energy. Cutting off oil and gas exports to the United States is 'not viable,' she has said, and counter-tariffs on those commodities would be 'disastrous,' depriving Canada of revenue it needs to support other sectors while harming Canadians in the process.
Her critics argue that position is shaped less by principle than by geography. Alberta's oil and gas exports to the United States have so far been exempt from Trump's tariffs. The practical result is striking: roughly one per cent of Alberta's exports are exposed to the new tariff regime, compared with 13.7 per cent for British Columbia, 10.8 per cent for Quebec, and nine per cent for Ontario. A province whose core industry has been largely insulated from the trade war is counselling restraint; the provinces bearing the cost are less inclined to listen.
The stakes behind that restraint are considerable. Provincial statistics value Alberta's oil exports to the United States in 2025 at close to $111 billion, representing much of the province's nearly $177 billion in total global exports. Around half of the oil imported by the United States comes from Canada. The leverage is real; the question is whether Canada is willing to signal it.
Jason Kenney, who preceded Smith as Alberta premier, says it should. He has argued that Canada ought to at least signal the possibility of export taxes on oil and potash, on the grounds that publicly ruling out any retaliatory tool weakens Canada's hand at the negotiating table. He acknowledged that cutting off exports outright is not feasible, partly because central Canada relies on oil shipped through American territory. His argument is one of signalling, not of severance.
Ontario Premier Doug Ford has gone further. He has insisted that provinces should use every tool at their disposal, including electricity, potash, and oil, arguing that the United States needs to 'feel the pain.' Where Smith sees catastrophe, Ford sees necessity.
Prime Minister Carney occupies an ambiguous middle ground. As early as July 29, he played down the idea of curbing oil supplies, saying that being a reliable supplier matters and that restricting a key commodity requires very hard thinking. The federal government has not formally ruled the option out, but it has not embraced it either.
Elizabeth Smythe, professor emeritus of political science at Concordia University of Edmonton, offered a blunter reading of Smith's position. The premier's diplomatic tone, she has said, is driven by her attempt to stay in the good books of the United States, Alberta's largest oil customer.
Whether negotiations resume before September 8 remains unknown. So does the question of which specific American demands caused the talks to collapse. What is clear is that Canada's response to the most serious trade rupture in a generation is being complicated by a domestic fault line that long predates it: the competing interests of an energy-producing west and a manufacturing-dependent centre, each calculating its exposure and its leverage differently.
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