Iran’s crude oil exports have dropped in April to their lowest daily level this year, tanker data showed and industry sources said, suggesting buyers are curbing purchases before Washington clamps down further on Iranian shipments as expected next month. The United States reimposed sanctions on Iran in November after pulling out of a 2015 nuclear accord between Tehran and six world powers. Those sanctions have already more than halved Iranian oil exports, the country’s main source of revenue. Shipments are averaging below 1 million barrels per day (bpd) so far this month, according to Refinitiv Eikon data and two other companies that track such exports and declined to be identified. That’s lower than at […]