The U.S.-Canada trade war is creating a headache for auto-parts makers

For decades, the U.S. and Canadian auto supply chains have been tightly woven together. The trade war is threatening to unravel a complex system.

<img src='https://npr.brightspotcdn.com/dims3/default/strip/false/crop/3746x2498+0+0/resize/3746x2498!/?url=http%3A%2F%2Fnpr-brightspot.s3.amazonaws.com%2F5d%2F4f%2Ff5ecab764bd3ba1267b758e5492d%2Fus-canada-bridge.jpg' alt='A truck passes over the Peace Bridge between Canada and the United States, in Fort Erie, Ontario, on August 18, 2026.'/><p>For decades, the U.S. and Canadian auto supply chains have been tightly woven together. The trade war is threatening to unravel a complex system.</p><p>(Image credit: Cole Burston)</p><img src='https://media.npr.org/include/images/tracking/npr-rss-pixel.png?story=nx-s1-5961530' />