The article mentions this indirectly, but the leaded gas issue is actually orthogonal to the question of the practicality of battery powered aircraft. Aircraft

The article mentions this indirectly, but the leaded gas issue is actually orthogonal to the question of the practicality of battery powered aircraft. Aircraft can and do work without leaded gasoline. The unleaded aviation gas issue has already been discussed to death here. It gets brought up every time there is any reference to anything to do with any aircraft that runs off gasoline.