Diesel squeezes ethanol margins, airlines eat hedge losses, and Washington weighs SPR rules

Wednesday's Daily Update — twenty-four US stories on distillate spreads, travel fraud, model evaluations, and wildfire smoke hitting school calendars.

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Espresso optional. Clarity mandatory.

Energy logistics still dominate the morning: diesel premiums are rippling through ethanol plants, airlines, and card rewards while policymakers argue over reserve releases and export bans.

Midwest ethanol producers throttle runs as diesel rallies faster than gasoline after the Petroline outage.
Major airlines mark hedge losses as jet fuel tracks middle-distillate scarcity premiums.
OpenAI and Anthropic share evaluation playbooks with NIST as hospitals pilot on-device triage models.
Treasury and the FBI warn on Gulf-travel scams targeting Americans rerouting trips.
Senate Banking sets a hearing on energy pass-through pricing; editorial calls for clearer SPR triggers.
NOAA adds rapid-intensification layers while Central Valley schools lean on wildfire smoke maps.

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