According to WAFB and WACH, two of the stations, located in West Columbia, South Carolina, and Baton Rouge, Louisiana, temporarily sold regular unleaded gas for 1.9 cents per gallon Tuesday night, allowing some customers to fill up their tanks for less than 30 cents. Police came to the West Columbia station to stop customers from taking advantage of the glitch, which lasted about an hour, WACH reported.
>> Read more trending news
Another Circle K station in Albuquerque, New Mexico, dropped its prices to 2.9 cents per gallon before the pumps were marked "out of order," KOB reported. Social media users also reported seeing cheap gas in California and Arizona.
It was not immediately known how many stations were affected. Circle K has not yet responded to messages seeking comment early Wednesday.