California’s fuel system is changing quietly, but the effects reach far beyond the pump. As major refineries shut down or stop refining crude, the state moves closer to relying on imports for fuels it still uses every day. In this episode, we put a panel with California Assemblymember Stan Ellis, USC professor Michael Mische, and former senior refinery technician and control board supervisor at the Benicia Valero Refinery Mike Ariza to walk through what happens as local production declines and the state relies on more imported gasoline.