The US national average diesel price reached $6.00 a gallon for the first time on Thursday, according to live GasBuddy data. Diesel has set fresh all-time highs in 28 states.

The record arrived less than a week after diesel posted a $5.85 high. At $6.00, the fuel now costs roughly $2.30 more than it did a year ago.

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Diesel Records Topple Across 28 States

Patrick De Haan, head of petroleum analysis at GasBuddy, named the 28 states that set records. Texas, California, Florida, Washington, and North Carolina all made the list.

Meanwhile, 5 California stations have run out of room on the price board. De Haan said they are selling diesel at $9.999 a gallon, the highest figure their dispensers can display.

“Record diesel prices will impact every cargo, shipment, every delivery Americans are taking, and are likely to reignite inflation up and down the supply chain… I suggest Americans anticipate a costlier holiday season…” De Haan said.

The squeeze builds on a thin supply. The EIA put US diesel inventories at 106.3 million barrels, some 13% under the five-year average.

Crude Above $100 Keeps the Pressure On

Crude is the main lever behind the move. Brent crossed $100 on September 8 and has climbed since. It surged to an intraday high near $111 today, its strongest level since late May.

At press time, Brent traded near $108.2 a barrel on Friday, up 0.61%. West Texas Intermediate added 0.53% to $103.

Both benchmarks are now on track to close the week above $100 for the first time since mid-May. They have recorded gains of over 20% in the past month.

Shipping routes explain much of the rally. Iran-aligned Houthis seized Yemen’s port of Mocha on Thursday, while tanker attacks have kept Strait of Hormuz traffic restricted.

Demand forecasts are moving the other way. OPEC cut its 2026 world oil demand growth estimate to 380,000 barrels per day on Thursday, the fifth straight downward revision.

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Source: BeInCrypto