A power outage at the Exxon Mobil Joliet refinery has caused gas prices to rise. This event has had an impact on gas prices in Chicago. The refinery, operated by Exxon Mobil, experienced a power outage, leading to the increase in gas prices.
Further details about the power outage and its effects are available from the source. The source reports that gas prices have risen in Chicago as a result of the outage at the Joliet refinery.
For more information about the power outage and its impact on gas prices, readers can consult the source, which provides additional details about the situation.