Manufacturers from Asia, Europe and elsewhere have poured billions into North American supply chains that could be hit by new taxes on Mexico, Canada and China.

Around 90% of auto exports from both Mexico and Canada go to the U.S., according to the Mexican Automotive Manufacturers' Association (AMIA) and the Canadian Vehicle Manufacturers' Association. German automakers,

U.S. President Donald Trump's press secretary says the plan to slap Canada with punishing tariffs on Saturday is still in play.