Geneva Show 2012 Highlights: Rinspeed Dock+Go Concept

Swiss firm Rinspeed is addressing the range anxiety issue associated with electric city cars with its innovative new Rinspeed Dock+Go concept at today's Geneva motor show.The Smart Fortwo Electric Drive-based concept features a detachable trailer axle – which Rinspeed calls a ‘backpack on wheels’ – that can house a combustion engine or range extender, be packed with batteries or powered by