UK diesel hits a record 198.32p a litre as Trump's export-ban threat unsettles Europe
Pump prices in Britain reached an all-time high while European officials worked to head off a US ban on diesel exports.
Assembled by Claude from 16 sources at 13 outlets · Tuesday, September 29, 2026, Morning edition, 11:42 AM EDT · no human byline
What happened
The average price of a litre of diesel at UK pumps stands at 198.32p, according to the RAC motoring body, an all-time high bbc.co.ukbbc.co.uk. The Guardian reported the record as approaching £2 a litre theguardian.com. The RAC attributed the rise to disruption of global oil supplies caused by the war with Iran bbc.co.uk.
President Donald Trump has again threatened to ban US diesel exports semafor.com. The United States is the world's biggest diesel producer and exporter, and the threat has put buyers on alert semafor.com. Britain is in talks with Washington to stop the ban, John Healey said bbc.co.uk.
European officials are more sanguine. EU officials said they were confident Trump would drop the plan, citing Energy Secretary Chris Wright, who has said a ban would not work and would not be in anyone's interests politico.eunews.bloomberglaw.com. Energy Commissioner Dan Jorgensen welcomed those comments news.bloomberglaw.comwashingtonpost.com. Trump earlier this month appeared to endorse temporarily blocking exports politico.eu. The White House is separately weighing red-dyed diesel tax relief to lower fuel prices, with Wright contacting refiner executives about it wmbdradio.com.
Why it matters to investors
Diesel powers trucks, farms and industry, so its price sets a marginal cost across the goods economy dw.com. Prices are rising because of refinery disruptions, supply shortages and geopolitical tension at once dw.com, and UK industry is absorbing the increase on top of already high energy costs and supply chain disruption themanufacturer.com.
Goldman Sachs argued that a US export ban would cut prices inside the United States but raise them in Europe, compressing US refining margins and giving American refiners an incentive to cut output hellenicshippingnews.com. Goldman's oil research head Daan Struyven described the effects of a ban as arriving in three distinct periods cnbc.com.
The macro cost is already quantified. The Financial Times reported that the US-Iran war has added €100 billion to the European Union's fuel bill ft.com, and European Central Bank estimates suggest a geopolitical oil supply shock could reduce euro-area real GDP growth by around 0.4 percentage points global.chinadaily.com.cn.
What to watch
The decisive variable is whether the export ban moves from threat to policy. The gap between Trump's endorsement and his energy secretary's scepticism is the whole trade politico.eunews.bloomberglaw.com.
The second is demand destruction. UK mortgage approvals fell to their lowest since December 2023, with just 54,918 new home loans approved in August on a seasonally adjusted basis as borrowing costs deterred buyers theguardian.com. Fuel costs and borrowing costs are squeezing the same households at the same time.
Sources
- semafor.com: Trump threatens diesel export ban again (2026-09-28)
- dw.com: Diesel prices are surging putting further pressure on Europe (2026-09-28)
- bbc.co.uk: UK tries to stop Trump's diesel export ban (2026-09-29)
- bbc.co.uk: What a US diesel export ban could mean for you (2026-09-28)
- bbc.co.uk: UK diesel price hits all-time high, the RAC says (2026-09-28)
- bbc.co.uk: Why UK diesel prices have hit an all-time high (2026-09-28)
- themanufacturer.com: Industry feels the pinch as diesel prices hit an all-time high - The Manufacturer (2026-09-29)
- global.chinadaily.com.cn: Diesel price surge sends shockwaves through European economy - Chinadaily.com.cn (2026-09-29)
- theguardian.com: UK mortgage approvals lowest since December 2023; diesel hits new record high near £2 a litre (2026-09-29)
- washingtonpost.com: Trump's proposed diesel export ban spurs fear of energy crunch in Europe (2026-09-29)
- ft.com: US-Iran war adds €100bn to EU's fuel bill - Financial Times (2026-09-29)
- politico.eu: EU officials confident Trump will drop plan to ban diesel exports - POLITICO (2026-09-29)
- news.bloomberglaw.com: European Union Officials Optimistic US Won't Ban Diesel Exports - Bloomberg Law (2026-09-29)
- wmbdradio.com: White House weighs red-dyed diesel tax relief to lower fuel prices | 1470 & 100.3 WMBD (2026-09-28)
- hellenicshippingnews.com: US diesel export ban would cut US prices but raise them in Europe: Goldman Sachs (2026-09-29)
- cnbc.com: Effects of a diesel export ban would be in three periods, says Goldman's Daan Struyven (2026-09-28)