As OPEC ministers started to arrive in Vienna, Iran called on fellow members to comply with the group’s production ceiling before ramping up its own supply next year. The appeal from Oil Minister Bijan Namdar Zanganeh, reported by Mehr news agency just days before the Organization of Petroleum Exporting Countries meets to discuss output quotas, echoes a letter he presented to ministers at the group’s last meeting in June. OPEC pumped 32.1 million barrels a day in November, exceeding its 30 million-barrel quota for an 18th month, according to a Bloomberg survey of companies and analysts. Iran has said it plans to pump an additional 500,000 barrels a day once international sanctions over its nuclear program are lifted. Ministers are expected to decide against cutting production on Dec. 4 even as crude prices languish near a three-month low. That will leave most OPEC members unable to balance their budgets, […]