Inhabitat's Week in Green: flying electric car, 3D-printed livers and a two-story-tall bike

Each week our friends at Inhabitat recap the week's most interesting green developments and clean tech news for us -- it's the Week in Green. The Northern Hemisphere is finally beginning to wake up from a long, cold winter, and green vehicles are taking to the skies. This week Korean automaker Hyundai unveiled a multi-rotor flying electric car for congested cities and SolarWorld and PC-Aero announced plans to launch two new solar-powered electric airplanes at an air show in Germany. Speaking of ...