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PAFI
SustainabilityUnleaded Avgas Candidate Passes Critical Engine Tests, Moves Ahead
UL100E fuel produced by LyondellBasell/VP Racing is first to pass the 150-hour durability test under PAFI.
Jonathan Welsh![](https://www.flyingmag.com/uploads/2023/11/iStock-92143575.jpg?auto=webp&auto=webp&optimize=high&quality=70&width=1440)
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