{"region_id":"us-mi","history":{"gasoline":[{"date":"2026-09-10","benchmark":{"series":"WTI","value":103.57,"date":"2026-09-10"},"fx":{"series":"USD_USD","value":1,"date":"2026-09-10"},"price":1.1377361950960738,"usd_per_litre":1.1377361950960738,"currency":"USD","source_id":"aaa","source_name":"AAA state gas price averages","source_url":"https://gasprices.aaa.com/state-gas-price-averages/","components":[],"method":"unavailable"},{"date":"2026-09-14","benchmark":{"series":"WTI","value":102.42,"date":"2026-09-14"},"fx":{"series":"USD_USD","value":1,"date":"2026-09-14"},"price":1.1402986640039476,"usd_per_litre":1.1402986640039476,"currency":"USD","source_id":"aaa","source_name":"AAA state gas price averages","source_url":"https://gasprices.aaa.com/state-gas-price-averages/","components":[],"method":"unavailable"},{"date":"2026-09-30","benchmark":{"series":"WTI","value":96.41,"date":"2026-09-22"},"fx":{"series":"USD_USD","value":1,"date":"2026-09-30"},"price":1.2095117417217827,"usd_per_litre":1.2095117417217827,"currency":"USD","source_id":"aaa","source_name":"AAA state gas price averages","source_url":"https://gasprices.aaa.com/state-gas-price-averages/","components":[],"method":"unavailable"}],"diesel":[{"date":"2026-09-10","benchmark":{"series":"WTI","value":103.57,"date":"2026-09-10"},"fx":{"series":"USD_USD","value":1,"date":"2026-09-10"},"price":1.5649288209644354,"usd_per_litre":1.5649288209644354,"currency":"USD","source_id":"aaa","source_name":"AAA state gas price averages","source_url":"https://gasprices.aaa.com/state-gas-price-averages/","components":[],"method":"unavailable"},{"date":"2026-09-14","benchmark":{"series":"WTI","value":102.42,"date":"2026-09-14"},"fx":{"series":"USD_USD","value":1,"date":"2026-09-14"},"price":1.6259525650591677,"usd_per_litre":1.6259525650591677,"currency":"USD","source_id":"aaa","source_name":"AAA state gas price averages","source_url":"https://gasprices.aaa.com/state-gas-price-averages/","components":[],"method":"unavailable"},{"date":"2026-09-30","benchmark":{"series":"WTI","value":96.41,"date":"2026-09-22"},"fx":{"series":"USD_USD","value":1,"date":"2026-09-30"},"price":1.7733341530697788,"usd_per_litre":1.7733341530697788,"currency":"USD","source_id":"aaa","source_name":"AAA state gas price averages","source_url":"https://gasprices.aaa.com/state-gas-price-averages/","components":[],"method":"unavailable"}]}}