In Trump tariff arguments, Justice Neil Gorsuch probed whether the IEEPA could justify a 50% tariff on gas-powered vehicles. Solicitor General D. John Sauer said likely yes during oral arguments at the Supreme Court on Nov. 5, 2025. In Trump tariff arguments, Justice Neil Gorsuch probed whether the IEEPA could justify a 50% tariff on gas-powered vehicles. Solicitor General D. John Sauer said likely yes during oral arguments at the Supreme Court on Nov. 5, 2025.