Core Insights - Chevron Corp.'s El Segundo refinery in Los Angeles County has shut multiple units due to a fire, raising concerns about fuel supply shortages in California [1][6] - The fire originated from a process unit and has been contained, with no reported injuries [2][4] - The refinery is a significant supplier, providing 20% of motor vehicle fuels and 40% of jet fuel in Southern California [7] Summary by Sections Fire Incident - A fire broke out at the El Segundo refinery, leading to the shutdown of several units, including a 60,000 barrel-a-day catalytic reformer and a 45,000 barrel-a-day hydrocracker [3] - The fire started in the convection section of a furnace within the Hydrocracker/ISOMAX complex, which produces distillates like diesel and jet fuel [3] Impact on Operations - The entire hydrocracker section will likely be shut down for assessment and repair, affecting crude processing rates [4] - Chevron confirmed that there were no evacuations for nearby residents and emissions remained within permitted levels [4] Broader Industry Context - The incident occurs amid a wave of refinery closures in California, tightening the fuel market and prompting state officials to seek solutions to supply issues [6] - Phillips 66 announced its Los Angeles plant will cease operations by the end of the year, further straining local fuel availability [5]