new Mitsubishi Plug-in Hybrid System, which significantly extends the frequency a hybrid vehicle is driven in EV mode, the Mitsubishi PX-MiEV Concept returns fuel economy in excess of 50 km/liter. The Mitsubishi PX-MiEV Concept is a new-generation concept car that balances high environmental performance with road performance by utilizing differential motors and Mitsubishi's all-new S-AWC (Super All Wheel Control),