{"code":"aaa_gas_state_Massachusetts","name":"AAA regular — Massachusetts","freq":"d","units":"usd/gal","component":null,"source":"AAA Fuel Gauge","route":"SCRAPE","source_url":"https://gasprices.aaa.com/","n_obs":3,"last_value":3.885,"last_date":"2026-07-04","yoy":null,"series":[["2026-07-02",3.895],["2026-07-03",3.887],["2026-07-04",3.885]]}