Chemicals Updates

US West Coast Light End Daily Commentary / West Coast gas prices rise amid Iran talks / SF CARBOB hits highest level since March 12 / Portland regular trades at futures plus 27.50/gal

May 21, 2026

West Coast gasoline prices continued to climb on April 21 as US/Iran peace talks were put on hold, deepening a global oil supply crisis as shipments out of the Persian Gulf remained impeded. Activity was slim for April barrels of Los Angeles CARBOB, as trading for the month was wrapping up. the price unchanged at May NYMEX RBOB futures plus 60 cents/gallon, as there was a lack of competitive bids, offers or trades heard in the market. The outright price followed the futures market higher, gaining 9.30 cents to end at $3.8098/gal. San Francisco CARBOB for May rose 2 cents on the day to futures plus 66 cents/gal after it was heard trading at that level. That put the differential at its highest point since March 12, according to data....

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