US Diesel Export Ban Talk Widens WTI-Brent Crude Price Gap

Post by : Saif

Talk of a possible US ban on diesel exports is widening the price gap between US crude and the global Brent benchmark, as traders assess what could happen if American refiners are forced to keep more diesel at home.

West Texas Intermediate, or WTI, crude futures traded as much as $12.02 a barrel below Brent on Thursday, marking the widest discount since May 6, according to LSEG data.

The growing gap reflects concerns that US refiners could reduce crude processing if diesel supplies build up because exports are restricted.

Refiners Could Cut Crude Processing

Analysts estimate that a diesel export ban could force US refiners to reduce crude processing by as much as 12%.

Wood Mackenzie said a ban could leave about 700,000 barrels per day of excess diesel and gasoil in the US market. Gulf Coast storage facilities could reach maximum capacity in just over a month.

To prevent storage facilities from overflowing, refiners could cut crude processing by more than 2 million barrels per day, according to the analysis.

Such a reduction would represent roughly 12% of current US refinery crude runs.

US Diesel Prices Remain Near Record Levels

Pressure for export restrictions has grown as diesel prices have surged in the United States and Europe.

US diesel prices reached a record $6.528 per gallon earlier this week. Prices remained elevated at around $6.514 per gallon on Thursday, according to AAA.

The sharp increase has been linked to disruptions in global energy supplies caused by the war involving Iran and the resulting pressure on international oil transportation.

The United States is the world's largest diesel exporter, with net exports of about 1.2 million barrels per day compared with domestic production of around 5.1 million barrels per day, according to Morgan Stanley.

US diesel exports have also helped compensate for reduced supplies from other producers.

White House Position Remains Uncertain

The possibility of an export ban remains unclear.

The White House denied reports that it was preparing a 90-day diesel export ban. Energy Secretary Chris Wright has also said that an export ban would not solve the problem of rising fuel prices.

President Donald Trump, however, said on Tuesday that he supported a ban.

Meanwhile, Wright has spoken with executives from several major US refiners to assess whether companies would voluntarily limit diesel exports, according to people familiar with the discussions.

The administration is considering voluntary measures as it looks for alternatives to a temporary export ban.

WTI-Brent Gap Also Reflects Higher Shipping Costs

Higher shipping costs are adding another challenge for US crude producers.

Normally, a wider discount for WTI compared with Brent can encourage exports because traders can buy cheaper US crude and sell it in international markets.

That trade has become more difficult because freight rates have increased sharply following disruptions linked to the Iran war.

Shipping US crude from the Gulf Coast to Asian markets on a very large crude carrier now costs around $50 million, compared with about $16 million before the conflict, according to Signal Maritime.

Higher transportation costs mean US crude needs to trade at a much deeper discount to international crude to make exports profitable.

Read more: Rising Oil Prices Reflect Fears Over US-Iran Talks

US Crude Exports Remain Relatively Flat

Despite the wider WTI-Brent price spread, US crude exports have not increased significantly.

Kpler data showed US crude exports rose by only about 45,000 barrels per day between July and August, reaching 3.72 million barrels per day.

On a three-month average basis, US crude exports in September are on track to decline for a third consecutive month, potentially reaching their lowest level since before the Iran war began in February.

The situation shows that a large price gap does not automatically mean US crude can easily reach overseas buyers. High freight costs, limited vessel availability and global supply disruptions are reducing the benefit of the traditional crude export trade.

Impact on US Fuel and Global Oil Markets

A diesel export ban could initially increase domestic diesel availability, potentially easing some pressure on US diesel prices. However, analysts warn that forcing refiners to reduce crude processing could eventually affect gasoline and other fuel supplies.

The policy debate therefore comes as the US energy market faces pressure from high diesel prices, disrupted international supply routes and rising shipping costs.

The direction of US diesel exports, refinery activity and the WTI-Brent spread will remain important indicators for the broader oil market as traders assess how the energy disruptions affect domestic and international fuel supplies.

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