The promise of personal flying machines has been around for decades. From flying cars to jetpacks, the future always seemed to promise a traffic-jam-free ride to work that left the roads far below.

There are so many companies in the business of designing vertical take-off and landing (VTOL) aircraft of various capabilities it's impossible to keep track of them all. Yet, if there is one thing ...

Explore the future of transportation with this in-depth review of innovative vehicles transforming air and water travel. From ...