Canada's PM Mark Carney steps off the campaign trail and other party leaders react after the US announced new car duties.

Experts say the 25 percent import fee will make many cars more expensive, but it is not clear when, by how much or which models.

It’s the latest in a number of auto industry maneuvers by Trump during his first weeks back in the White House. Auto companies are also navigating the reversal of fuel economy standards, dialed down greenhouse gas emission standards and a host of electric vehicle policy rollbacks.