DownstreamInvestorsHollyFrontier to acquire Sinclair Oil; new company to emergeeditorAugust 3, 2021August 3, 2021 by editorAugust 3, 2021August 3, 20210855 HollyFrontier, the independent petroleum refiner Texas-based, announced this Tuesday it will acquire Sinclair Oil Corporation and its units; in a transaction with a value of...