CNBC | Cannot rule out further output caps on oil producers, says OPEC secretary general CNBC The output cut deal between OPEC and non-OPEC oil producers that was last week extended for a further nine months is a "work-in-progress" and could be broadened to include the implementation of caps on further countries, according to the oil cartel's ... Oil prices under pressure from rising OPEC supplies Oil rebounds after API report, but analysts have little faith in gains Here Are The Key Levels To Watch In Crude Oil |