The main advantages of a personal air vehicle include:
You refuel in your own backyard, making use of an air compressor. The energy required for compressing air comes from large centralized plants and this makes it less expensive and more effective to manage carbon emissions,
Reduced vehicle weight is one of the major efficiency enhancing factors of an air powered vehicle,
The compressed air engines also reduces vehicle production costs by nearly 20 percent, compared to conventional motors,
Expansion of pressurized air lowers the temperature of the air. And we can use this for air-conditioning,
Compressed air vehicles release no pollutants,
Lighter vehicles would also lead to less wear and tear on roads,
We could refuel at a lower price, compared with gasoline, and
We would ultimate use less harmful chemicals like gasoline, those used to produce gas, battery acids and so forth.