Bloomberg: E.A. Gibson Shipbrokers Ltd. comments today in an e-mailed report on how the market for very large crude carriers hauling 2 million-barrel cargoes of oil will react to sanctions against Iran. Bloomberg By Rob Sheridan E.A. Gibson Shipbrokers Ltd. comments today in an e-mailed report on how the market for very large crude carriers hauling 2 million-barrel cargoes of oil will react to sanctions against Iran. A European Union embargo on buying, financing, transporting and insuring Iranian oil aimed at pressuring the country over its nuclear ambitions takes effect July 1. The International Atomic Energy Agency will meet May 21 with Iran to discuss the program. "If the meeting next week brings some more positive news, it appears to be in everyone's economic interests to delay the sanctions. However, it will have a major negative impact on the crude tanker markets, primarily VLCCs.