One reason gasoline prices are low is that there is an abundance of oil in reserve in the U.S.
The massive oil storage complex at Cushing is nearing its operational capacity as oil inventories nationwide continue to rise.
The Oklahoman reports that as of March 6th, Cushing's sprawling tank complex held more than 51.5 million barrels of oil.
As Cushing fills, companies are sending oil to other storage facilities throughout the country.