For Japan and South Korea, tariffs announced by U.S. President Donald Trump represent a blow to domestic car industries that are both economic pillars and sources of national pride.

National Security Probe to Justify Tariffs on Auto Imports By Andrea Shalal and David Lawder WASHINGTON (Reuters) - U.S. President Donald Trump on Wednesday announced 25% tariffs on auto and auto parts after concluding that automotive imports continue to threaten the country's industrial base and national security.

President Trump on Wednesday said he will put a 25% tariff on vehicles and auto parts imported into the U.S., escalating his administration's use of aggressive trade measures in an effort to boost domestic manufacturers.