Pyro-E custom designs, builds, and deploys solid-state energy sensors and robotics. The electro-mechanical energy generation method exceeds the Carnot limit for efficient, sustainable power conversion, storage, and dispatch. With simplicity and compactness, ambient energy can be harvested from automobiles, river streams, and ocean waves. The device works without wiring, thus paving for an interconnected future that is attainable today. Foreseeably, Pyro-E's unique infrastructure solution will 1) enable Smart Cities, 2) improve urban mobility, and 3) utilize a greater portion of the renewable energy resources.