Every single airline pilot has had to train in a small piston aircraft that runs on leaded fuel. There simply has been no alternative if we want to have a suppl

Every single airline pilot has had to train in a small piston aircraft that runs on leaded fuel. There simply has been no alternative if we want to have a supply of trained pilots. Not to mention medivac flights, overnight delivery of many laboratory medical specimens from doctors' offices, law enforcement, high-quality aerial imagery in maps apps, farming, access to rural communities in areas like Alaska...