Official Word:

The TOYOTA NS4 is a next generation Plug-in Hybrid Electric Vehicle (PHEV) concept. Making its European debut at the 2012 Geneva Motor Show, the TOYOTA NS4 responds to changing customer perceptions of environmentally-conscientious motoring, taking PHEV technology a step beyond that of the Prius family. In addition to the outstanding Eco credentials inherent in every Toyota equipped with Hybrid Synergy Drive(R) technology, it represents an increase in customer desire for added value in areas such as...Read.