The skycar project, managed by Dr. Moller at
www.moller.com
features a "Wankel" type engine, in that there is rotary technology included, some other features are incorporated, however its not the same.
This engine was designed to go into the sky car project, you can check the sky-car which is a vehicle that features vertical take off characteristics at :
www.moller.com
and the engine it uses (wankel type) at :
http://www.freedom-motors.com/