A decision driven by Saudi Arabia that OPEC+ should stop using oil data from the West's energy watchdog reflected concern about U.S. influence on the figures, sources close to the matter said, adding to strain on ties between Riyadh and Washington.
The Organization of the Petroleum Exporting Countries and allies including Russia, a group referred to as OPEC+, has so far ignored Western calls to increase output to try to lower oil prices of around $100 a barrel.
The issue is delicate as expensive energy, in part because of Russia's war with Ukraine, has stoked inflation and as U.S. President Joe Biden faces pressure to lower record U.S. gasoline prices ahead of mid-term elections in November.
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