Until I saw that video, I had no idea about the level of compatibility required to change over to a new fuel type. Since the lead-free fuel would need to be com

Until I saw that video, I had no idea about the level of compatibility required to change over to a new fuel type. Since the lead-free fuel would need to be compatible with the plane you're putting it in (e.g. seals, pipes) as well as other fuels that it could be mixed with.