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Saturday, September 12, 2026 · 55923 stories tracked

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Oil & Refining · DAILY BRIEF

Diesel tops $6 a gallon as White House weighs Defense Production Act for refineries

Andy Will, Chief Editor · Saturday, September 12, 2026

Diesel is above $6 a gallon for the first time, and the White House is weighing whether to use the Defense Production Act to add US refining capacity. President Trump met nearly a dozen US refiners recently, and the idea came up there. No decision yet, and Reuters says the talks continue.

US refineries are running at 98% of capacity. There is almost no slack left to pull from, which is the whole reason this conversation is happening at all. Refining executives told administration officials that federal money would add barrels faster if it went toward expanding plants that already exist rather than building new ones from scratch.

For a jobber, the read is simple. Tight domestic product and no spare capacity means thin allocation and firm wholesale diesel until something loosens. A DPA move, if it happens, would not add a barrel this quarter.

Saudi pipeline and the crude run

Brent posted its biggest weekly gain since July, even after falling 2.8% on Friday. Saudi Arabia shut its East-West pipeline, and Middle East hostilities are climbing, so supply risk is back in the price. Crude is above $100 again.

Ukraine struck a Russian refinery as Moscow stepped up attacks on Kyiv. That one matters to a US operator only through global product balances: every Russian refinery offline tightens the global diesel and gasoline pool, and that lands on US crack spreads.

CITGO at Lake Charles

CITGO is putting $310 million into its Lake Charles refinery for a depentanizer project, which it framed as protecting the long-term competitiveness of one of the largest and most complex plants in the country. It is a spend on an existing asset, not new capacity, which fits what the refiners told the White House.

Group III base oils

Base-oil costs are rising again. With crude back over $100 and diesel surged, the 4 and 6 cSt Group III grades are very hard to source. If you move finished lubes or blend, expect supplier quotes to keep firming and lead times to stretch. Group III is the pinch point.

What to watch

Whether the DPA talk turns into an actual order, and what strings come with it. Whether the Saudi East-West line restarts and how fast. The pace of Russian refinery outages, since each one feeds straight into the crack. And Group III availability, which could tighten further if crude holds above $100.

The near-term setup favors firm wholesale diesel. Prices could ease if the Saudi pipeline comes back and the Middle East cools, but nothing on the supply side has loosened yet.

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