Middle East tensions and Russian ban push diesel prices to decade highs
Developed over time first seen 2 months ago
Diesel prices in the UK and US surged to their highest levels in years after an intensification of Middle East hostilities compounded an already tight fuel market caused by Russia's extended ban on diesel exports. Farmers were among the hardest hit, with red diesel used for agricultural machinery rising by roughly 10% in under a week, an increase one fuel buyer described as "astronomical" given it coincided with the period when growers typically stock up ahead of winter land preparation.
UK forecourt diesel reached 183.5p a litre, up from 164.5p in mid-July, while red diesel rose to about £1.10 a litre after climbing 10p–14p since the previous Monday, and heating oil (paraffin) nearly doubled to close to £1 a litre from around 60p before the Iran conflict escalated. In the US, diesel hit an all-time high of $5.85 a gallon, up from $3.71 a year earlier and surpassing the peak seen after Russia's 2022 invasion of Ukraine. The rises stemmed from renewed US-Iran fighting, including strikes on two Saudi supertankers in the Strait of Hormuz, alongside Russia extending its diesel export ban after Ukrainian drone attacks on its refineries; Brent crude traded near $97 a barrel, its highest in about six weeks, with knock-on cost pressure expected for delivery firms, construction companies and rural households reliant on heating oil.
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In short
- Middle East conflict and Russia's export ban drove diesel prices to multi-year highs
- UK red diesel rose about 10% in under a week, hitting farmers hard
- US diesel hit an all-time high of $5.85 a gallon
How this story developed
- 2 months ago US diesel has since climbed further to a record $5.85 a gallon, overtaking the previous peak set after Russia's 2022 invasion of Ukraine, as the fallout from renewed US-Iran tensions and Russia's export curbs widened beyond farmers to squeeze household budgets and haulage firms with fears of broader inflation.
- 2 months ago Diesel prices in the UK and US climbed to multi-year highs after weekend fighting in the Middle East worsened a market already squeezed by Russia's extended diesel export ban, with UK forecourt diesel at 183.5p a litre and US pump prices at $5.78 a gallon, and farmers facing the sharpest hit as red diesel jumped roughly 10% in under a week.
Full account
Diesel prices have surged to their highest levels in years on both sides of the Atlantic, as renewed fighting between the US and Iran combines with an extended Russian export ban to squeeze global fuel supplies. In the United States, the average cost of a gallon of diesel reached $5.85 on Friday, according to the American Automobile Association, eclipsing the previous record set after Russia's full-scale invasion of Ukraine in 2022 and up sharply from $3.71 a year earlier. In the UK, motorists have seen diesel climb to 183.5p a litre by Thursday, up from 164.5p in mid-July, while farmers buying red diesel for tractors and other agricultural machinery have been hit by what one industry figure described as an extraordinary jump in just a matter of days.
The immediate trigger has been an intensification of Middle East hostilities, with fighting between the US, Israel and Iran driving up crude oil prices amid fears over supply. Iran's response, which has included effectively closing the Strait of Hormuz, a narrow shipping channel through which roughly a fifth of the world's oil passes, has added to the pressure on wholesale markets. At the same time, Russia — normally responsible for around a tenth of global diesel supply despite Western sanctions — extended its own ban on diesel exports last week after Ukrainian drone strikes damaged several of its refineries in August. The combined effect has left global refining capacity stretched thin, with Brent crude trading near $97 a barrel, its highest level in about six weeks.
The strain has been felt acutely by British farmers, who typically stock up on fuel at this time of year to prepare land for winter planting even though the harvest's peak demand has passed. Alex Harrison, a fuel buyer at the farmer-owned cooperative Fram Farmers, said prices had risen by 10p to 14p a litre since Monday — roughly a 10% jump in the cost of red diesel, which now stands at about £1.10 a litre — and that the spike had caught members off guard given its size and timing. She said many of the cooperative's more than 1,400 member businesses had responded by ordering smaller, more frequent quantities of fuel to manage cash flow and hedge against further volatility, rather than committing to large purchases upfront.
In the US, the pain at the pump has taken on a political dimension ahead of November's midterm elections, with polling suggesting President Trump's approval rating has slipped to 33% and support for the Iran conflict itself standing at just 31%. Diesel in the US is used mainly by hauliers, trains, buses, farm vehicles and construction equipment, meaning rising costs feed through into wider inflation, while ordinary drivers are also facing record petrol prices of $4.15 a gallon, up from $3.20 a year ago. Price rises have not been felt evenly across the country: AAA data shows Western states such as Washington paying as much as $6.81 a gallon for diesel, well above the national average, owing to tax differences and distance from domestic producers. In response, Trump has pointed to a newly announced deal granting the US a 55% stake in a joint venture to develop 17 Venezuelan oil fields, which he has cast as a route to lowering fuel costs, though analysts have questioned whether it can overcome the long-standing barriers that have historically deterred investment in Venezuela's oil sector.
Where outlets differ
From the full account, which is AI-written from the sources:
Source 1 (apparently BBC) centres on the US angle: record diesel and petrol prices, the political fallout for Trump ahead of the midterms, regional price disparities within the US, and the Venezuela oil deal as a proposed remedy — details entirely absent from Source 2.
Source 2 (apparently the Guardian) foregrounds the UK farming sector, quoting a Fram Farmers fuel buyer on red diesel costs and changed purchasing behaviour, and gives more emphasis to the Russian export ban and Ukrainian drone strikes on Russian refineries as a structural cause.
Both sources cite the same US diesel figure ($5.85 a gallon, AAA data) and note it surpasses the 2022 post-invasion high, but only Source 2 supplies the parallel UK pump price (183.5p/litre) and the Brent crude benchmark (~$97/barrel).
Source 1 frames the story primarily as a US consumer/political story; Source 2 frames it as a UK farming cost story with the US figures used as supporting international context.
Left-leaning outlets 1
Only here: astronomical, fuel, price, surge, hits
Headline columns compared word for word; nothing in them is AI-written.
Explained simply
Diesel prices affect almost everyone, from motorists and delivery firms to farmers, because it powers most lorries, tractors and agricultural machinery, and heating oil used in some homes. When the cost of diesel rises sharply, those costs tend to feed through into food prices, transport and heating bills, since fuel is a major input across many industries.
Two separate pressures have combined to push prices up. Russia normally supplies a significant share of the world's diesel, but has restricted its exports after attacks on its refineries, tightening global supply. At the same time, ongoing conflict in the Middle East, including disruption in the Strait of Hormuz, a key shipping route for oil and fuel, has added further uncertainty to supplies and pushed up the price of crude oil, from which diesel is refined.
Farmers are particularly exposed because they rely on a cheaper, dyed version of diesel, known as red diesel, to run machinery, and typically buy in bulk ahead of the autumn and winter to prepare land for the next growing season. A sudden price rise at that point in the year can significantly increase their costs at short notice, with knock-on effects for food production more broadly.
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