Medium-Duty Truck Retrofit (IMAGE) Southwest Research Institute Caption The demonstration vehicle integrates a “P2” or hybrid architecture that places a 100 kW electric motor between the engine and the transmission powered by a 40 kWh battery. This configuration enables seamless switching between an EV mode, engine-only mode or a combined hybrid mode depending on vehicle speed and power demands. Credit Southwest Research Institute Usage Restrictions Images/Videos may be used by the public for educational and informational purposes only. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.