Fact Check: Did U.S. diesel prices reach an all-time high in September 2026?

Media Bias Fact Check (MBFC) publishes daily vetted fact checks from verified IFCN-approved sources. Each claim is independently reviewed for accuracy and context.


Claimant: Social Media


Claim: U.S. diesel fuel prices reached an all-time high in September 2026.


Rating: TRUE


Explanation: Federal data going back to 1994 show average on-highway diesel prices reached a record $6.53 per gallon on Sept. 21, 2026. That exceeded the previous high of $5.81 per gallon recorded in June 2022.


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Date: 10/18/2026


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Last Updated on October 18, 2026 by Media Bias Fact Check