"The oil refiner headquartered in Findlay reported earnings of $4.5 billion for the third quarter of 2022, which compares to $694 million for the third quarter of 2021.
“We completed our $15 billion share repurchase commitment and announced an increase to our quarterly dividend of approximately 30 percent.”" Gas prices are $3.41 in Findlay. Marathon could cut prices by $1.50 and not hurt their profits but they choose not to do it.

https://wfin.com/local-news/marathon-petroleum-reports-third-quarter-results/