Global oil supply is set to tighten, intensifying concerns over soaring inflation after the OPEC+ group of nations announced its largest supply cut since 2020 ahead of European Union embargoes on Russian energy. The move has widened a diplomatic rift between the Saudi-backed bloc and Western nations, which worry higher energy prices will hurt the fragile global economy and hinder efforts to deprive Moscow of oil revenue following Russia’s invasion of Ukraine. Global crude futures jumped this week, returning to three-week highs, after the Organization of the Petroleum Exporting Countries and th…