Canada has announced tariffs of up to 25 percent on vehicles imported from the US.The 25-percent tariff will only apply to parts of the vehicle imported from the US that didn't originate from Canada or Mexico.Canada is following through on a promise made to respond to Trump's tariffs on all foreign-made cars, including those from Canada.The Department of Finance vowed to keep the tariff in place until the US eliminates its tariffs on Canada-built vehicles.