> and/or bio-based avgas. Bio-based is a minefield of a few ways to have it reasonably ok'ish (mostly if it's stuff that would otherwise be waste) and countles

> and/or bio-based avgas. Bio-based is a minefield of a few ways to have it reasonably ok'ish (mostly if it's stuff that would otherwise be waste) and countless ways to produce more emissions than before. The latter is usually what happens...