Donald Trump has indicated he may consider banning United States diesel exports, a move that would significantly impact global fuel markets. Simultaneously, he is urging European nations to release their diesel reserves to alleviate price pressures, particularly ahead of the US midterm elections in November.

The potential export ban follows record-high diesel prices in the UK and follows concerns about global supply disruptions, exacerbated by the ongoing Iran war which has affected refined fuel availability. The US is a major diesel supplier, exporting between 1.2 and 1.5 million barrels daily, with the UK heavily reliant on these imports, receiving 31% of its diesel from the US.

US Treasury Secretary Scott Bessent has publicly called on European countries to make additional diesel supplies available immediately. Bessent argued that American farmers, truckers, and businesses should not bear the brunt of soaring fuel costs. A ban on US exports would aim to increase domestic supply, potentially lowering prices for American consumers.

However, experts caution that such a ban could further destabilize international diesel prices, putting additional pressure on countries dependent on US exports, unless alternative supplies can be secured. The UK government has stated it is engaging with international partners and the fuel industry to ensure a resilient supply, though prices are expected to continue rising.

Trump's remarks come as he intensifies campaigning for Republican candidates in the lead-up to the November elections. The prospect of restricted US diesel exports adds another layer of complexity to the already volatile global energy landscape. This situation is compounded by reports that Chinese refiners may be halting some fuel product exports to prioritize domestic demand.

Diesel prices in the UK have reached unprecedented levels, hovering near 200 pence per litre. UK Energy Minister Martin McCluskey participated in discussions with European counterparts to address the potential US export ban and coordinate a response.

A spokesperson for the European Commission confirmed numerous discussions and meetings on the diesel situation, including high-level engagement with the US administration. While European reserves exist from earlier coordinated releases, the evolving global dynamics necessitate careful management.

The global surge in petrol and diesel prices began earlier this year, following the outbreak of the US-Israel war in Iran and the subsequent closure of the Strait of Hormuz, a critical chokepoint for oil and gas transit.