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Monday, July 06, 2026 · 21618 stories tracked

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Biofuels & Renewables · DAILY BRIEF

Phillips 66 markets E15 with up to 15% ethanol to lift blend demand as ethanol prices draw fresh scrutiny

Andy Will, Chief Editor · Monday, July 06, 2026

Phillips 66 is pushing E15 unleaded, a blend with up to 15 percent ethanol and 85 percent conventional gasoline, cleared for model year 2001 and newer vehicles and priced below regular at the pump. The higher ethanol content raises the octane. For jobbers and c-store operators, more E15 on the forecourt means more ethanol gallons moving through the rack.

The octane play

E15 sells because it costs less than regular and carries higher octane. Ethanol has run cheaper than the gasoline it displaces for a while now, so blending 15 percent instead of 10 stretches a retailer's margin on every gallon. Phillips 66 putting its brand on E15 gives dealers cover to post the lower price. If more branded stations follow, ethanol demand at the blend pump could firm through the summer driving season.

The catch is the equipment and the label. E15 is only approved for 2001-and-newer cars, and a small dispenser logo does the warning. That could cause some customer confusion at stations that haven't run the higher blend before.

The price watch

Kalkine flagged ethanol prices as something to watch, without much behind the note. The number that matters to operators is the spread between ethanol and gasoline. When ethanol trades under RBOB, blenders have every reason to max out the ethanol they can legally put in, and E15 gives them the room to do it. Keep an eye on the corn crop and export demand. Both move the ethanol price more than any single headline.

Biomethane

A Minas Gerais ethanol producer signed a biomethane joint venture with GEOMIT. It's a Brazil story, so it doesn't touch your rack price today. Worth a note only because renewable natural gas feeds the RFS as a source of D3 cellulosic RINs, and more biomethane capacity anywhere is more supply that could weigh on those credits over time.

What to watch

Watch whether other majors match Phillips 66 on E15 and how many stations actually convert. The ethanol-to-RBOB spread is the figure that decides blend economics; if ethanol stays cheap, E15 pencils out for the retailer. The RIN market could move as biomethane capacity builds out. And the weekend strikes on Russian refineries and the Vysotsk oil terminal, confirmed by Ukraine's General Staff and SBU, could firm crude and refined product, which would make cheap ethanol look better in the blend.