No single country speaks as the unified voice of OPEC as decisions must be made collectively, the Iranian oil minister said, according to state media. Members of the Organization of Petroleum Exporting Countries meet next week in Vienna for the regular meeting. On the agenda is the fate of the group’s coordinated effort to drain the glut of oil from the global market with production cuts. Ostensibly, on the urging of the U.S. government, Saudi Arabia has signaled it could put more oil on the market in the second half of the year. Alexander Novak, the energy minister in Russia – the largest non-OPEC contributor to the supply agreement – has signaled he shared Riyadh’s position. On Wednesday, the official Islamic Republic News Agency cited Iranian Oil Minister Bijan Zangeneh as saying the voice of OPEC was a chorus, not a solo. “Zangeneh pointed […]