Refining, Not Crude, Is Setting the Price of Fuel
The US Energy Department raised its 2027 diesel forecast by 33 cents as the energy secretary argued lost refining capacity, rather than the crude price, is driving pump costs.
Assembled by Claude from 9 sources at 9 outlets · Thursday, September 10, 2026, Morning edition, 10:22 AM EDT · no human byline
What happened
The Energy Department's statistics arm sharply raised its forecast for US diesel prices next year, as tight global supplies keep domestic inventories unusually low axios.com. The outlook lifted the 2027 diesel projection by 33 cents and now expects retail diesel to average $4.40 a gallon that year axios.com. US diesel prices hit all-time highs this month, the result of the Middle East conflict thwarting oil and petroleum product supplies and of Ukraine's drone campaign against Russian refineries axios.com.
The capacity loss is the common thread. Conflict in the Middle East and Ukrainian strikes on Russian refineries have taken a substantial amount of processing capacity out of the market semafor.com. Energy Secretary Chris Wright warned that closing US refineries drives up gasoline prices foxnews.comyahoo.com, and said blocking Iranian oil exports strangles Iran's economy and cuts off its hard currency yahoo.com.
Why it matters to investors
The distinction between crude and product changes what a price forecast is worth. Wright told Bloomberg that just under 11 million barrels a day of crude and oil products are still moving through Hormuz bloomberg.comenergyconnects.com. Brent held near $101 as Iran said it was ready for an intense war energyconnects.com, and equities took the hit: the Dow fell 400 points as oil jumped above $100 for the first time since July nypost.com.
Consumers are already paying the product price rather than the barrel price. In the United Kingdom a litre of unleaded now costs 167.17p, the biggest weekly increase since April bbc.co.uk. Not every product market is tightening: the marine fuel supply squeeze has eased as shipping markets adapt to the prolonged Hormuz disruption energy.economictimes.indiatimes.com.
What to watch
The first marker is inventories, since the forecast revision rests on domestic stocks being unusually low rather than on a specific crude path axios.com. The second is processing capacity, which is where the Middle East conflict and the Russian refinery strikes overlap semafor.com.
The third is the political clock. President Trump acknowledged that oil prices may not fall until after November's midterm elections axios.com, while the energy secretary has warned Washington may not be able to reach a nuclear agreement with Tehran nypost.com. Those two statements set the horizon the $4.40 diesel forecast is built against axios.com. For anyone modelling headline inflation, the useful discipline is to track refined product prices and refinery runs separately from the crude benchmark, because this cycle has separated them semafor.comfoxnews.com.
Sources
- bloomberg.com: Watch Energy Crisis Deepens as US-Iran Tensions Continue - Bloomberg (2026-09-10)
- energyconnects.com: Brent Oil Holds Near $101 as Iran Says Ready for Intense War - Energy Connects (2026-09-10)
- foxnews.com: Energy Secretary Chris Wright warns closing US refineries drives up gas prices - Fox News (2026-09-09)
- yahoo.com: Energy Secretary Chris Wright warns closing US refineries drives up gas prices - Yahoo (2026-09-09)
- axios.com: Energy Department raises 2027 diesel price outlook by 33 cents amid Iran war (2026-09-09)
- semafor.com: Global diesel market supply crunch could push up prices (2026-09-09)
- bbc.co.uk: Petrol prices rise by 5p over a week as Iran war sends oil higher (2026-09-09)
- energy.economictimes.indiatimes.com: Supply squeeze in marine fuel eases as markets adapts to prolonged Hormuz disruption (2026-09-10)
- nypost.com: Dow falls 400 points as oil jumps above $100 for first time since July - NY Post (2026-09-09)