U.S. widens tariff threats
Washington has threatened much bigger tariffs — including a headline 50% levy on countries selling weapons to Iran — which turns trade policy into an immediate commercial risk for exporters and supply chains. Legal pathways for those tariffs are unclear and advisers are divided on whether the White House can rely on emergency powers, so companies face policy uncertainty as well as headline risk. That uncertainty matters for pricing, sourcing and customer conversations across Europe’s industrial and automotive supply chains. (politico.com) (scmp.com) (rbc.com)
Donald Trump has threatened a new kind of tariff: a 50 percent duty on all goods from any country that supplies military weapons to Iran, and a separate 20 percent tariff on cars imported from the European Union. Both threats were floated this week, and both would hit trade partners far beyond Iran itself. (politico.com) (scmp.com) The Iran measure is aimed at third countries, not at Tehran directly. If a country sells arms to Iran and also sells steel, machinery, wine, or electronics to the United States, Trump says every one of those exports could be taxed at 50 percent. (cnbc.com) (politico.com) That is a much broader weapon than a normal tariff. A normal tariff is like charging extra at the border for one product; this threat works more like telling an entire country that one defense sale could raise the price of everything it ships into the American market. (aljazeera.com) (supplychaindive.com) The legal problem is that the Supreme Court ruled on February 20, 2026, that the International Emergency Economic Powers Act does not let a president impose tariffs. That is the same emergency law the White House had relied on for earlier tariff actions. (congress.gov) (dlapiper.com) After that ruling, the White House terminated its existing emergency-law tariffs effective February 24, 2026, and the Court of International Trade has been overseeing refunds on duties already collected. That means companies are hearing new tariff threats while old tariff payments are still being unwound. (whitehouse.gov) (thompsonhinesmartrade.com) That is why the White House message has looked so messy. Politico reported on April 9 that advisers were still divided over whether emergency powers were “still in play,” even after the Supreme Court said that law does not authorize tariffs. (politico.com) For exporters, the uncertainty is not academic. A tariff that is definitely 10 percent can be priced into a contract; a tariff that might be 20 percent, 50 percent, or blocked in court forces companies to rewrite quotes, add escape clauses, and rethink where they source parts. (rbc.com) (automotivelogistics.media) Europe’s car industry is especially exposed because vehicles cross borders multiple times before they are finished. A gearbox can be made in one country, fitted into a transmission in another, and shipped in a finished car to the United States, so even a threatened tariff changes pricing talks all along the chain. (scmp.com) (automotivelogistics.media) Royal Bank of Canada said on April 9 that a year of tariff shocks has already pushed companies to reroute trade, absorb higher costs, and pass some of those costs into prices. Its economists also warned that higher oil prices are landing on top of those tariff pressures, not replacing them. (rbc.com) So the immediate story is not just whether Trump can make these tariffs stick. The immediate story is that a social media post from Washington can now force procurement teams in Germany, suppliers in Italy, and exporters across Asia to treat U.S. trade policy like a live commercial risk before any formal tariff order is even published. (politico.com) (supplychaindive.com)
