Company says, that the range is up tp 900 km (500 km + 400 km with range extender). The CNG engine is from a GM passenger car and provide power to 320 kW electric engine. A 120 kWh battery pack allows truck to drive 100 km in fully electric mode. It should be enough for city delivery. As you see, DAF CF with Space Cab was choosen as a base for the prototype.