The article says diesel refining margins have surged to more than $95 per barrel, compared with a long-term average of $9, as refining disruptions intensified after the Iran war began. It also cites Brent near $100 per barrel and higher freight and insurance costs as factors adding to fuel prices.
Tighter refined-product supply and higher transport and insurance costs lift the cost of diesel independently of crude prices. This raises fuel and freight expenses for agricultural supply chains, supporting diesel prices.
After 250 past bullish geopolitics events, ULSD / Diesel moved a median +1.7% over 5 sessions (58% higher; middle half -3.6% to +8.7%), and +0.9% over 20.
After 656 past bullish geopolitics events, Crude Oil (Brent) moved a median +1.9% over 5 sessions (63% higher; middle half -2.7% to +6.6%), and +0.7% over 20.
Moves of each commodity's benchmark from the last close before the event. Historical reads pool past events of the same kind; they describe what happened, not what will. Not investment advice.