The Guardian | Iran rejects oil output cap as Opec leaders meet in Vienna The Guardian Iran's oil minister has rejected suggestions Opec will agree a production cap at a meeting due to take place in Vienna, saying his country backs a return to a national quota system. Tehran, which only recently returned to world oil markets after ... Oil prices tread water ahead of OPEC meeting Opec oil deal unlikely as producers discuss price pain US oil closes off lows on report of likely OPEC output cap deal |