North American automotive supply chains face upheaval following the imposition of new rules of origin included in the USMCA trade deal. Most of the major manufacturers have now had extensions granted by the U.S. and Mexican governments for so-called “staging periods” that can run to July 2025. That removes some of the pressure to change during a period where demand is recovering but complications from semiconductor shortages, including General Motors’ latest factory closures, and logistics congestion are ongoing. Mexican exports of completed vehicles to the U.S. surg...