Gasoline could reach a record Labor Day high as US-Iran war pushes diesel and farm costs up
Pump prices are heading into Labor Day at what could be the highest holiday level on record, and diesel is climbing right alongside. Both have risen since the US went to war with Iran, though not as fast as they did after Russia invaded Ukraine. That gives jobbers and haulers a strained market without a runaway one, at least so far.
The mechanism is simple. Trump is running what he calls an economic war on Tehran, an "economic D-Day" meant to pressure the leadership and cut it off from backers like China. He has said there are no negotiations underway to end the fighting. With no ceasefire and no clear path to reopening the Strait of Hormuz, the oil market stays tense, and analysts expect gasoline and diesel to keep rising. Idaho is already at $4.49 a gallon, above the national average.
Farm bankruptcies
The diesel bill is pushing family farms under. Chapter 12 filings, the bankruptcy category built for family farms and fisheries, hit 336 in the 12 months through June 30, up from 282 the year before. Fuel and fertilizer prices driven by the Iran war are the added weight on operations already squeezed by low crop prices and high interest rates. Harvest is coming, and for some of these farms it may be the last one they run.
For anyone hauling ag diesel or running a rural c-store, that matters. Farm accounts that stop planting stop buying fuel, and the delivery volume goes with them. Watch your grower customers' balance sheets, not just the rack price.
The EPA move
EPA is trying to bring pump prices down, and its latest attempt could mean more pollution. The tradeoff is the usual one: loosen a fuel or emissions rule to cut cost per gallon, accept more output at the tailpipe. For retailers the practical question is whether the change touches summer blend requirements or state boutique fuels, because that is where compliance headaches and supply hiccups actually show up. The details will decide whether this helps margins or just shifts paperwork.
Russian refinery strikes
Ukraine keeps hitting Russian refining and export capacity, and it is starting to register on supply. Drones struck the Novokuibyshevsk refinery and an Ozon logistics hub in the Samara region, about 1,000 kilometers from the front, setting off a fire that halted work at the site. Ukraine also reported a strike on an oil terminal in Krasnodar Krai. Russia says several refineries have resumed operations after repairs.
None of this lands directly on US racks. It matters because sustained hits to Russian export refining tighten global diesel balances, and a tight global diesel market feeds back into what US distributors pay. The strikes are frequent enough now that the repair-and-resume cycle is worth tracking.
What to watch
Whether the Strait of Hormuz stays open is the single biggest swing factor. Prices could ease if it does and Iran backs off; they could climb further if the economic pressure campaign drags. Watch the EPA rule's actual text for anything touching summer fuel specs. Watch Chapter 12 filings through harvest for how deep the farm distress runs. And watch the pace of Ukraine's refinery strikes, because that is where the next global diesel squeeze could come from.