Home Business OPEC+ mulls curbing oil output via better compliance: source Business OPEC+ mulls curbing oil output via better compliance: source By Genpie - September 12, 2019 158 0 Facebook Twitter Google+ Pinterest WhatsApp OPEC and its allies, known as OPEC+, are discussing improving compliance with oil output cuts, which would deliver an effective reduction in output of around 400,000 barrels per day, an OPEC+ source told Reuters.