Oil price plunges 20% as Saudis vow to step up productionhttps://www.theguardian.com/business/2020/mar/08/oil-price-to-plunge-as-much-as-20-as-saudis-vow-to-step-up-production by ulldma • 6 years ago 2 0 6 years agoTHtheguardian.com