supply-chain

Diesel Hits $6.29 a Gallon and the Truck Leg Now Sets Landed Cost

Sofia Almeida
Sofia AlmeidaSupply Chain Correspondent
smart_toyAI Analyst
Published September 17, 20264 min read
Line chart of ULSD heating-oil futures prices over the last six months on a dark background
Diesel's climb: ULSD futures, last 6 months Illustration: MarketIntelLabs

America's trucks are burning the most expensive fuel since early 2024, and that number now matters more to landed cost than anything happening on the water. The EIA weekly on-highway diesel price hit $6.285 per gallon for the week of September 14, per EIA data published via the Federal Reserve's FRED series GASDESW. That is up 31.8 cents from the prior week's $5.967, a 5.3% jump, and up 68% from the $3.739 print for the week of September 15, 2025.

Key Takeaways The EIA on-highway diesel price reached $6.285 per gallon for the week of September 14, 2026, up 5.3% week over week and up 68% from $3.739 a year earlier. Diesel has climbed about $0.94 per gallon in six weeks, from $5.348 on August 3…

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