
Proxima by Alvino Design is a concept that combines elements of car and motorbike. It makes me think of an uber modern update of the Messerschmitt KR20.
DVICE has more details.

The Icare motorcycle concept from Enzyme Design has a look somewhere between Tron and Batman and is exceedingly cool.
From UGO via Core77

Designed by Student Javad Ghaffarian for the Car Design News' 2008 design contest. The Magic Tricycle transforms into motorbike in tight spaces, but out of the highway uses all 3 wheels for stabilty. Read more (and view more images) at DVICE.

Trying to boast personal air-borne transportation, the Reconnaissance Copter is a single seater flyer that utilizes two props on either side of the vehicle along with the rudders mounted on the wing section to maneuver itself.
Read more about Hari Krishnan G's design concept on The Design Blog.




The four concepts above are from The Royal College of Art and seek create sustainable road vehicles for the future. Find at more over at Inhabitiat.

Winner of the unseen technology award at the Interior motives design award 2007, the MAG magnetic vehicle concept from Slovak designer Matúš Procháczka showcases two special technologies in one vehicle. Using magnetic power, the vehicle uses an electric engine that has a polarity which is the same as in road. Of course this will also require the roads to be made of huge concrete panels with magnets formed in them. (Read More)
BMW ZX-6 Concept for 2015 Created by Transportation Design students at Turin-based IED (istituto Europeo di Design), in partnership with BMW, the BMW ZX-6 Concept interprest the needs and desires of adult drivers in the year 2015. Using the company’s trademark essence, in view of its future perspectives, the concept relies on an evolutionary style language that demands the future vehicles to be versatile.
Car Body Design via The Design Blog