A power outage occurred at the Exxon Mobil Joliet refinery. This incident has resulted in a rise in gas prices.

The cause and extent of the power outage are not specified in the available information. Further details about the outage and its impact can be found through CBS News.

For those seeking more information on the power outage and its effects on gas prices, additional reporting is available from the same source, providing more insight into the situation.