OPEC in June did not deliver on an oil output increase pledged under a deal with allies, a Reuters survey on Friday showed, as involuntary declines in Libya and Nigeria offset supply increases by Saudi Arabia and other large producers. The Organization of the Petroleum Exporting Countries (OPEC) pumped 28.52 million barrels per day (bpd) in June, the survey found, down 100,000 bpd from May’s revised total. OPEC had planned to boost June output by about 275,000 bpd. OPEC plus Russia and other allies, known as OPEC+, are unwinding 2020 output cuts made due to the pandemic, although many are struggling to do so. OPEC+ at a meeting on Thursday stuck to its planned output hike for August. […]