Current solutions have significant disadvantages
Planes may fly fast, far, and efficiently, but ...
they require a runway :(
airplane sketch
Helicopters are able to land anywhere, but ...
they are loud and insanely expensive to operate :(
helicopter sketch
multicopter sketch
Multicopters aren't much better than helis,
and they are only capable of a short flying range :(
flying car sketch
The solution is a flying car! No, just kidding.
This is just the combination of a bad car and a bad airplane :(