1) A personal hover transporter – it fly’s in the air and has an air conditioning unit and solar panel at the back.
2) A hover sand dune buggy – it uses the heat of the sun to fly.
3) A river amphibian car – it can drive on water and land, it uses solar power and converted water tidal power.
4) A solar powered, turbine charged flying vehicle – it uses the wind and sun to fly.