Oil prices could tumble as much as $15 a barrel next year if sanctions are lifted following a final nuclear deal with Iran, according to the Energy Information Administration. Iran and world powers reached a preliminary agreement on April 2 that set the parameters for further negotiations needed to complete a signed, comprehensive agreement by a June 30 deadline. The re-entry of more Iranian barrels could cut the EIA’s price projection by $5 to $15 a barrel, the U.S. Energy Department’s statistical arm said in its monthly Short-Term Energy Outlook report Tuesday. “If a comprehensive agreement that results in the lifting of Iranian oil-related sanctions is reached, then this could significantly change the STEO forecast for oil supply, demand, and prices,” the EIA said in the report. “However, the timing and order that sanctions could be suspended is uncertain.” Iran’s full return to the oil market risks delaying a […]