Opaque Oil Refineries, Record-High Gas Prices

California residents have had to contend with the highest gas prices in the country, and oil refinery shutdowns have been named as the primary cause. Why do outages at refineries take place without a lot of public transparency, and what else might be contributing to high costs at the gas pump? Chronicle reporter Claire Hao joins host Cecilia Lei to explain why state lawmakers and energy experts are scrutinizing oil refineries closely. | Unlimited Chronicle access: sfchronicle.com/pod

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