In this April 15, 2008 file photo, Iranian oil technician Majid Afshari makes his way at the oil separator facilities in Azadegan oil field, near Ahv

In this April 15, 2008 file photo, Iranian oil technician Majid Afshari makes his way at the oil separator facilities in Azadegan oil field, near Ahvaz, Iran. Iran, OPEC's second-largest producer, has completely stopped conducting oil transactions in U.S. dollars in a concerted attempt to reduce reliance on Washington at a time of tension over Tehran's nuclear program and suspected involvement in Iraq. (AP Photo/Vahid Salemi, File)

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