A hybrid plug-in hybrid vehicle

A conventional hybrid vehicle or a plug-in hybrid vehicle

I just finished reading an inspiring MotorTrend article about the Challenge X - a competition to find the next generation of hybrid vehicles. Of course diesel hybrids and other biofueled hybrids, in addition to fuel cell hybrids, were developed by various universities to compete in this competition. However, one of the most interesting hybrids came from UC-Davis. Finish....