tomorrowtechtoday.com

If God meant us to fly, he’d given us wings! Well, for Yves Rossy that’s exactly what he did. The 48 year old former fighter pilot has built himself a set of jet powered wings.
After jumping out of airplane at 7500 feet, he unfolds the 8 foot wings, ignites the jets and screamed off at [...]

Compressed air cars are powered, in short, by air. Air is compressed and then it is released which is the source of propulsion. These air cars have been in the developmental stages for many years and are very, very close to reaching wide commercial markets.
How do air cars work?