The week ending April 17 brought a collision of forces reshaping costs for importers and exporters: diesel prices have pushed freight rates to a two-year high, the Strait of Hormuz remains all but shut following the U.S. naval blockade of Iran, and a new tariff refund system goes live Sunday that many affected importers will not be able to access. Together, these developments are compressing margins, lengthening transit times, and forcing shippers to rethink routes they have relied on for years.





