Pneumatic powertrain for an automotive vehicle

A pneumatic-powered automotive vehicle comprising:

• a chassis;
• a plurality of wheels connected to the chassis;
• a tank for storing compressed air;
• a heat exchanger in fluid communication with the tank for heating the compressed air;
• an air motor in fluid communication with the heat exchanger for being driven by the heated air, the air motor being connected to at least one of the wheels for driving the vehicle;
• a heater proximate to the heat exchanger for transferring heat to the air in the heat exchanger, wherein the heater further comprises a burner;
• a ventilation system for ventilating a passenger compartment of the vehicle;
• an exhaust system for exhausting the burner;
• a waste recovery radiator in fluid communication with the exhaust system for being heated by the exhaust, the waste recovery radiator being oriented within the ventilation system;
• and
• a restrictive solenoid valve for directing air in the ventilation system to pass over the waste recovery radiator to heat the air before conveying the air to the passenger compartment.