National gas prices hit $4.31 a gallon with multiple states paying over $5

As of September 14, 2026, national gas prices have reached $4.31 per gallon, with several states reporting costs exceeding $5. Diesel prices continue to remain at a record high. In California, the cost for unleaded fuel has climbed to $6 per gallon. These figures reflect a significant increase in fuel expenses across the United States, impacting both consumer unleaded fuel and commercial diesel markets during this period of record-breaking price surges.