{"bulletin_id":"14/2026","effective_date":"2026-04-18","gasoline_czk":41.33,"diesel_czk":43.13,"source_url":"https://mf.gov.cz/assets/attachments/2026-04-17_Cenovy-vestnik-14-2026.pdf","imported_at":"2026-04-17 12:43:16.36328+00"}