CNBC | US crude settles at one-month low on strong dollar, OPEC cut doubts CNBC Oil prices fell about 2 percent on Tuesday, extending the previous session's sharp sell-off, as the U.S. dollar strengthened and doubts over implementation of a global deal to cut output loomed. Members of the Organization of the Petroleum Exporting ... Oil Falls Again on OPEC Output Increases Russia Has Started Cutting Oil Output: Kremlin Iraq Confirms Oil-Output Cut Even as Scheduled Exports Rise |