{"api":"Monday Diesel Data API","version":"v1","docs":"https://mondaydiesel.com/api","data_as_of":"2026-11-09","data_as_of_label":"Nov 9, 2026","data_pulled_at":"2026-11-11T00:15:05.839Z","generated_at":"2026-11-11T18:51:15.096Z","attribution":"Credit Monday Diesel (mondaydiesel.com) with a visible link to the page the figure came from; every record carries its page_url.","id":"region/california","section":"region","section_label":"Regions","title":"California diesel price","subtitle":"$7.897/gal for the week of Nov 9, 2026. Down 17.9 cents on the week. EIA weekly on-highway survey, priced as of Monday.","description":"California on-highway diesel price: $7.897/gal for the week of Nov 9, 2026, from EIA's Monday on-highway diesel release, charted against the US average.","page_url":"https://mondaydiesel.com/region/california","headline":"$7.897/gal","unit":"$/gal","data_through":"2026-11-09","frequency":"Weekly","status":"current","source":"EIA Weekly Retail On-Highway Diesel Price survey","provenance":{"source":"EIA Weekly Retail On-Highway Diesel Price survey","series":"On-highway retail diesel, No. 2","basis":"On-highway retail pump, taxed","geography":"California","unit":"$/gal","period":"Weekly survey, priced as of Monday","lastObservation":"Nov 9, 2026","frequency":"Weekly"},"citation":"California on-highway diesel averaged $7.897/gal for the week of Nov 9, 2026 (EIA). 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