Iran vessels ‘goes dark’ to avoid international tracking

 

Iran hopes less transparency will allow it to keep selling oil after November 5 when the United States re-imposes the last set of sanctions lifted under the 2015 nuclear deal, which Washington abandoned in May. [Photo: AFP]

Working from their small offices in Stockholm, analysts at a new watchdog that monitors global oil shipments have been run ragged by Iran's efforts to skirt US sanctions this month.