Canadian leaders are threatening to add surcharges to electricity flowing into Michigan, or cut it off entirely.

Automotive experts believe the added costs of President Trump's tariffs will be passed on to the consumer, and the auto industry could see the biggest price shock of any goods coming from Canada, Mexico and China.

Auto manufacturing — a staple of the Michigan economy for generations — represents one of the industries most vulnerable to international competition during U.S.-imposed tariffs, experts say.