A power-generating device for a vehicle is disclosed, which comprises an oscillation system (3, 4; 3, 14), an induction unit (2), a sensor (17), and a control unit (8). The oscillation system (3, 4; 3, 14) has a movably arranged oscillating mass (3), and t...

A motor vehicle is provided, having a water box (10) with a first interior space (23) for separating and discharging water from a first air flow (15) flowing through the first interior space (23). The water box (10) is designed as a heat exchanger with a h...