"It will cover around 300-350 kilometer on a single depot charge of about six hours and with an opportunity charge of 30-40 minutes during the journey, it can travel next 150-200 kilometer, " VECV President for Bus Division Akash Passey told PTI. Meanwhile, Eicher unveiled LNG and CNG-based Eicher Pro 8055 truck that can switch to CNG fuel by a switch provided in the vehicle. Volvo Trucks showcased Volvo FM LNG 420 4X2 tractor.