Are they a good idea? People stuck in traffic jams have long fantasised about escaping in a flying car. Now we have the technology that could make the dream a reality.
This could be the year… flying cars take off
Unloading roads: The market for flying cars is expected to be worth $1.5tn by 2040. Glossary
Robust - Strong and tough.
Rigours - Demanding and difficult conditions.
Aerodynamic - Designed so that air passes over it easily, making it more efficient.