EnergyCountry suffers heaviest fallout among top importers of crude and naphthaTraffic at the Strait of Hormuz remains quiet amid the ongoing conflict between the U.S. and Iran. © ReutersKENTARO TAKEDA and TAKEHIKO HAMAMay 29, 2026 07:18 JSTSINGAPORE/DUBAI -- Japanese imports of crude oil have dropped by nearly half since the U.S. started the Iran war, a Nikkei analysis shows, underscoring the widening economic fallout from the conflict.