That resulted in Valero's fourth-quarter refining margin jumping to $3 billion from $1.1 billion a year earlier, portending bright scenarios for peers Marathon Petroleum (MPC.N) and Phillips 66 (PSX.N) that are yet to report results.
https://www.reuters.com/business/energy/us-refiner-valero-posts-fourth-quarter-profit-higher-demand-2022-01-27/