Phillips 66 has “paused” evaluation of its unleaded avgas alternative after what sources have told AVweb was a major test failure. Phillips 66 confirmed to AVweb that evaluation of the fuel it is developing with Afton Chemicals through the Piston Engine Aviation Fuels Initiative has been suspended, at least temporarily. “We can confirm that PAFI evaluation has been paused on the Phillips 66/Afton Chemical 100M unleaded fuel,” the oil giant said in a statement to AVweb. “Phillips 66…
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Source: https://www.avweb.com/aviation-news/phillips-66-suspends-unleaded-avgas-testing/