Oil posted its first back-to-back weekly loss since April's rout with the end of the summer driving season and concern about OPEC's production compliance weighing on prices.
Futures in New York edged up on Friday, but prices fell 6.1% this week coinciding with a retreat in U.S. equities. Traders are also examining data indicating the United Arab Emirates since July has been regularly exceeding its quota under a deal between the Organization of Petroleum Exporting Countries and its allies.
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