2 ms·

That's why it's great to see numbers like "70% of GA fleet piston powerplants will be now certified to use unleaded fuel".

• sokoloff 5y ago
  Balanced by “airplanes with those powerplants purchase about 20% of the avgas fuel used in a year”.
  • p_l 5y ago
    True. But it's a considerable step forward, and some of those engines provide shorter pathways for certifying sibling models, probably.