The TRIO will use petrol, liquefied petroleum gas and battery packs. It can run solely on any of these fuel sources. The usage of these different sources will depend upon the engine RPM, torque required and speed of the vehicle.

TRIO has an in-build generator to produce electricity.

The cost of running TRIO on various fuels are:

• Electricity @ Rs 0.83/km,
• Petrol @ Rs 3.2/km, and
• Gas @1.8/ km.