TORONTO — Canada’s provincial leaders want Prime Minister Justin Trudeau’s federal government to negotiate a bilateral trade deal with the United States that excludes Mexico.

TORONTO — Canada’s point person for U.S.-Canada relations said she shares U.S. concerns about Mexico serving as a back door for China to import cheaper goods into the North American market.

The premier of Canada’s largest province wants the country to negotiate its own trade agreement with the U.S., unless Mexico aligns with its North American partners on Chinese imports.

Canada, which buys more U.S. goods than any other nation and is its largest external oil supplier, is bracing for economic disruption now that voters have elected Donald Trump.

Canada is joining Mexico in formally disputing how the U.S. interprets rules governing the origin of vehicle parts under the trilateral trade agreement between the countries.

Canada plans to formally join Mexico in calling for an arbitration panel to resolve a dispute with the U.S. over how to interpret rules governing the origin of vehicle parts.

President Joe Biden’s proposed incentives for U.S. electric-car buyers could be challenged under the North American trade pact, a Canadian auto industry leader warned.

MEXICO CITY — Workers at a General Motors plant in Mexico have voted to end a collective bargaining contract negotiated by an old-guard union accused of intimidation tactics in earlier votes. It was an early display of the effectiveness of labor mechanisms negotiated under the U.S.-Mexico-Canada Trade Agreement.

The U.S. and Mexico failed to resolve a dispute over trade rules for cars during a meeting this week, threatening the goal of boosting regional manufacturing under their new trade pact.

The U.S. is clashing with Mexico and Canada over rules for cars shipped across regional borders, with automakers and governments telling the Biden administration that it’s imperiling the success of their new trade pact.