Commercial EV Bus & Truck Fleet Optimization. Popion Mobility is pioneering a new way to 100% zero-emission commercial transportation without the compromise of commercial electric vehicles. Popion's battery exchange energy platform (BEEP) technology with standardized battery packs and swapping stations work with all electric heavy-duty vehicles and equipment. The result is a universal and completely scalable EV fleet remedy that removes range anxiety and recharging limitations while greatly reducing Total Cost of Operation (TCO) and increasing profitability. 0% Emissions. 0% Compromise. 100% Popion Mobility.