Diesel averaged $6.28 a gallon on October 9, near the record $6.51 from September 21, according to AAA. That's about 70% above the $3.76 average the day the US and Israel attacked Iran on February 28.
Trump's two moves to ease the crunch haven't lowered prices. His October 5 order lets highways use tax-free dyed diesel and defers the 24-cent federal tax. The G7 agreed to release 100 million barrels, but Reuters reports those mostly replace a March emergency release by International Energy Agency members; the White House disputes that.
Why it matters
Record diesel prices pinch farmers and consumers; the emergency waiver offers temporary relief, but the supply crunch may linger into 2027.
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Key Indicators
$6.28
US national average diesel price per gallon
AAA reported $6.28 on October 9, near the September 21 record of $6.51. About 70% above the $3.76 pre-war price on February 28.
70%
Price increase since war began
Diesel averaged $3.76 the day the US and Israel attacked Iran on February 28. The October 9 average of $6.28 is about 70% higher, per Reuters.
32 events
Latest: October 9th, 2026 · 1 week ago
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October 2026
Diesel holds near record at $6.28 despite Trump's supply moves
LatestMarket
AAA reports the national average at $6.28, up about 70% since the war began. Prices barely moved after Trump's October 5 executive order and the G7 reserve release.
Report: G7 reserve release may not be new supply
Policy
Reuters reports the G7's 100 million barrel release appears to largely cover what remains of a March emergency release by International Energy Agency members. The White House disputes this, saying the barrels were front-loaded with diesel.
GasBuddy analyst: dyed diesel order offers little relief
Impact
Patrick De Haan of GasBuddy tells ABC News the effect of the dyed diesel waiver will be negligible for big trucking companies because rules vary by state and national fleets face legal risk crossing state lines.
Trump signs executive order allowing dyed diesel on highways
Policy
President Trump signed an order permitting off-road dyed diesel for highway use through December 31 and deferring the federal excise tax. The White House said the move will save truckers over $100 per refill.
G7 agrees to release 100 million barrels from reserves
Policy
Group of Seven economies agreed to release 100 million barrels of diesel and crude from emergency stocks to ease global pricing pressure.
September 2026
Russia extends diesel export ban to end of October
Policy
Moscow extends diesel export restrictions until the end of October, Russian business daily Vedomosti reports. The ban was set to expire September 30.
Diesel futures drop from record, signaling possible relief
Market
ULSD futures on CME fall about 47 cents from the September 15 record settlement to $4.7939. Saudi pipeline progress and possible Trump-Iran talks at the UN General Assembly push prices lower. JP Morgan's commodities team says it no longer has a baseline view of the endgame.
K-State economist says diesel prices could stay high for years
Impact
Gregg Ibendahl, a farm management specialist at Kansas State University, says diesel prices could stay in the $6 to $7 range for a year or more. A return to earlier-year prices could take up to two years even if global tensions ease.
AAA logs diesel at record $6.51 a gallon
Market
AAA reports the national average at $6.5107 on September 21, up from $6.39 on September 17. The DOE/EIA on-highway benchmark reached $6.529, its ninth increase in 11 weeks.
EIA sees distillate stocks staying below 100M barrels through 2027
Data
The EIA's September outlook forecasts distillate inventories below 100 million barrels through 2026 and most of 2027. Storage tank data shows lease availability at a four-year high because traders have little diesel to store.
AAA logs diesel at record $6.39 a gallon
Market
AAA reports the national average at $6.39, another record, as the Iran war and Russian export ban keep supply tight. TradeStation's David Russell tells CNBC the market faces a 'lose-lose' with refineries near maximum capacity.
EIA reports diesel inventories below 100 million barrels
Data
US distillate inventories, which include diesel and heating oil, fell to 96.4 million barrels for the week ending September 11. The drop from 106.3 million the prior week put stocks below the 100 million mark the EIA had forecast for October. The five-year average is 112.4 million.
The Federal Motor Carrier Safety Administration waives hours-of-service limits for qualifying gasoline and diesel haulers through December 16 to ease fuel distribution.
Sen. Thune proposes US diesel export ban
Policy
Senate Majority Leader John Thune proposes banning US diesel exports to boost domestic supply. Louisiana Gov. Jeff Landry backs the idea. Dallas Fed economist Garrett Golding argues a ban would only help the Gulf Coast and could backfire by cutting refinery output.
Saudi pipeline shutdown forces crude reroutes through Oman
Market
NBC News reports Saudi Arabia's East-West pipeline is shut for repairs. MarineTraffic data shows just 14 vessels passed through the Strait of Hormuz on Sunday, a small fraction of pre-war traffic.
Farm Bureau logs on-highway diesel at $6.285 as harvest begins
Impact
The American Farm Bureau Federation reports the on-highway diesel average at $6.285, up nearly 70 percent from a year earlier. Farm diesel averaged $5.45, up about 80 percent.
Diesel tops $6.20 as Hormuz attacks renew supply fears
Market
Reuters reports the national average passed $6.20 a gallon on Sunday after another vessel attack in the Strait of Hormuz. AAA's snapshot hit $6.16 on September 12, up from $6.06 a day earlier.
Farmers face doubled diesel costs at harvest peak
Impact
Fortune reports corn and soybean farmers paying roughly twice last year's diesel prices. Missouri farmer Jason Kurtz's combine burns 200 gallons a day, and he expected 30 days of harvest. The costs flow into food prices.
AAA logs diesel at record $6.05 a gallon
Market
AAA reports the national average at $6.05, an all-time high and up 60 percent since the war began. GasBuddy's tracker crossed $6 a day earlier.
Diesel prices surge globally; Nigeria up 90 percent since February
Market
Global Petrol Prices data cited by ABC News shows diesel up over 90 percent in Nigeria since late February. Indonesia is up nearly 87 percent and Lebanon 80 percent.
GasBuddy logs national diesel average above $6 for the first time
Market
GasBuddy's tracker put the national average above $6 a gallon Thursday, a day before AAA's reading hit $6.05. The US-Israel war on Iran and Ukrainian attacks on Russian refineries have squeezed supply.
Brent settles at $107.63; diesel crack spread hits record $112.17
Market
Brent crude settled at $107.63 a barrel, the highest since mid-May, as US-Iran fighting intensified. The US diesel crack spread, a measure of refining margins, hit a record $112.17 a barrel, per LSEG.
Brent crude surges past $100 a barrel
Market
The international benchmark topped $100, the highest since July, after a new round of US-Iran strikes. It traded near $72 before the war began.
Trump warns of more Iran strikes, predicts oil prices will fall
Policy
Speaking at the Republican National Committee's first midterm convention, President Trump said more attacks on Iran are expected. He predicted oil prices 'to be tumbling downward' after November's elections and the war's conclusion. The Hill reported the remarks on September 11.
Diesel hits new record $5.90 on Labor Day
Market
AAA reports the national average at $5.90 a gallon on September 7, up from $5.85 on September 4. Gasoline also set a Labor Day record at $4.15 a gallon.
Diesel hits record $5.85 national average
Market
AAA reports the national average at $5.85, an all-time high, up about 55 percent since the war began.
GasBuddy logs $5.82, topping 2022 record
Market
Fuel tracking service GasBuddy records $5.820 a gallon, beating its June 2022 peak of $5.819.
EIA reports East Coast diesel inventories at record low
Data
Distillate stocks fall to 19.3 million barrels for the week ending August 28, the lowest August level since EIA records began in 1982.
August 2026
EPA allows winter-blend gasoline early
Policy
The Environmental Protection Agency said winter-blend gas could be sold starting September 1, ending summer-blend requirements early to boost supply.
July 2026
Diesel holds above $5 a gallon
Market
National average stays above $5 as the Iran war drags on and supply disruptions mount.
Russia bans diesel exports after refinery strikes
Policy
Moscow halted diesel sales abroad in July after Ukrainian drone strikes knocked out refineries, removing about 800,000 barrels per day from world supply. The ban runs through September 30.
February 2026
US and Israel launch war against Iran
Conflict
Military action begins. Diesel averages $3.76 a gallon that day, and crude prices climb fast.
Autumn harvest demand arrives with inventories at record lows. Heating oil, a similar distillate drawn from the same stockpiles, adds pressure as winter approaches. If the Iran war and Russian export ban persist, the national average could push past $6 a gallon.
Discussed by: Commodity analysts at UBS, energy trading desks
A diplomatic settlement or de-escalation restores tanker traffic through the Strait of Hormuz. If Russia also lifts its diesel export ban, prices could fall back below $5 a gallon. This would require both conflicts to ease, which no major analyst currently expects.
3
Diesel stays above $5 into 2027, squeezing households and farmers
The status quo holds: no ceasefire, no end to the Russian export ban. Diesel remains above $5 through winter and spring, pushing food and shipping costs higher and slowing consumer spending. Some businesses have already added fuel surcharges on online orders.
Discussed by: Energy analysts citing refinery capacity strain
US refineries are running at 98 percent capacity, mostly in Texas where heat has already stressed operations. A major hurricane hitting the Gulf Coast could knock several plants offline for weeks, cutting supply when inventories are already at record lows.
5
Russia extends diesel export ban past September 30
Deadline passed (Q3 2026)
Discussed by: Energy analysts at American Action Forum, CNBC
Moscow's ban on diesel exports runs through September 30. If Russia extends it, roughly 800,000 barrels per day stay off the market through winter. Heating oil draws from the same distillate stockpiles as diesel, so prices would likely stay above $6 into 2027.
US refineries enter seasonal maintenance in September and October, which cuts output just as harvest and heating demand build. Rapidan's Linda Giesecke expects stockpiles to stay hard to rebuild, with diesel margins elevated and volatile into early next year.
7
Harvest diesel costs push grocery prices up this fall
Likely
Resolves by Nov 15, 2026
Discussed by: Paul Mitchell of the University of Wisconsin-Madison, Fortune reporting
Farmers are paying roughly double last year's diesel prices during harvest. Combines, tractors, and grain trucks all run on diesel. Paul Mitchell of the University of Wisconsin-Madison says the cost hits both harvesting and hauling grain to market.
8
Saudi pipeline repairs stretch into November, keeping diesel above $6.50
Possible
Resolves by Nov 30, 2026
Discussed by: ING commodities analysts, NBC News reporting
Saudi Arabia's East-West pipeline is shut for repairs, forcing crude to reroute through Oman while Strait of Hormuz traffic stays at a small fraction of pre-war levels. Tanker rates have hit $1 million a day. If repairs stretch into November, the supply crunch continues through the heating season.
9
Global diesel shortage extends into 2027, keeping US prices above $6
Likely
Resolves by Q2 2027
Discussed by: EIA forecast, storage market analysts at The Tank Tiger, K-State's Gregg Ibendahl
The EIA expects distillate inventories below 100 million barrels through 2026 and most of 2027. Storage tank leases are expiring because traders have little diesel to store, a signal they expect tightness to persist. K-State economist Gregg Ibendahl says a return to earlier-year prices could take up to two years even if the conflicts ease.
10
US diesel export ban passes, shifting supply to domestic market
Possible
Resolves by End of 2026
Discussed by: Senate Majority Leader John Thune, Louisiana Gov. Jeff Landry, Dallas Fed's Garrett Golding
Sen. Thune proposes banning US diesel exports to boost domestic supply. Supporters say keeping 1.5 million barrels a day at home would cut prices. Dallas Fed economist Garrett Golding argues it would only help the Gulf Coast and could backfire by reducing refinery output, which would also cut gasoline and jet fuel production.
11
Executive order and G7 release calm prices, but supply gaps remain
Likely
Resolves by End of 2026
Discussed by: White House, G7 energy ministers, refiners
The dyed diesel waiver and 100 million barrel reserve release could shave a few cents off pump prices. But with refinery utilization already at 98% and Gulf refineries still offline, analysts expect prices to stay above $6 through winter.
Historical Context
3 moments from history that rhyme with this story — and how they unfolded.
1 of 3
February-June 2022
Russia's invasion of Ukraine and the June 2022 diesel record
Russia invaded Ukraine in February 2022, disrupting energy markets. Crude spiked and diesel hit $5.81 a gallon in June 2022, the record at the time. Refiners struggled to replace Russian diesel exports while Europe scrambled for alternative supplies.
Then
Prices eased by late 2022 as recession fears cut demand and Russia kept exporting at a discount.
Now
Set the benchmark that this event just broke, and showed how quickly war-driven supply shocks move fuel prices.
Why this matters now
The current record breaks the 2022 peak under similar conditions: war cutting crude supply and refining capacity.
2 of 3
October 1973 – March 1974
1973 OPEC oil embargo
Arab members of OPEC cut oil exports to the US and allies in response to US support for Israel in the Yom Kippur War. Oil prices roughly quadrupled, US gas stations ran short, and long lines formed at pumps.
Then
The embargo ended in March 1974 after diplomatic efforts. Prices stayed high for years.
Now
Triggered lasting policy shifts: fuel economy standards, the Strategic Petroleum Reserve, and the 55 mph speed limit.
Why this matters now
The clearest historical example of Middle East conflict driving US fuel prices and broader inflation.
3 of 3
2008
2008 oil price spike
Crude futures climbed to $147 a barrel in July 2008 as global demand outpaced supply. US gasoline topped $4 a gallon nationally for the first time. Consumers cut back on driving and discretionary spending.
Then
Prices collapsed as the financial crisis triggered a deep recession later that year.
Now
Demonstrated how sustained high fuel costs act as a drag on consumer spending and can help tip the economy into downturn.
Why this matters now
Shows the path from sustained high diesel prices to a broader economic slowdown, a risk analysts now flag.
