Abstract: The vehicle can have an engine and a moveable lift gate, a power unit driving the movement of the lift gate, the power unit including an electric motor and a capacitor pack, the capacitor pack being connected for powering the electrical motor, and being connectable to a DC alternator source of the engine.
Abstract: The trailer generally has a wheeled frame with a coupling at a front end thereof, a moveable component, a power unit driving the movement of the moveable component, the power unit including an electrical motor and a capacitor pack, the capacitor pack being connected for powering the electrical motor, and being connectable to a DC electrical source.