DownstreamOil rebound boosts financial results of refiners Valero and PBFeditorJuly 29, 2021July 29, 2021 by editorJuly 29, 2021July 29, 20210373 Oil increasing demand due to an easing in Covid-19 related restrictions, has boosted the financial results of refiners Valero and PBF Energy, reported Reuters; results...