Ключевые слова: accumulator, battery, bike, business, cargo bicycle, cargo bike, change, climate, climate change, climate neutral, climateneutral, commerce, company, concept, delivery, eco, ecofriendly, economic, electric, emission, energy, energy change, energy transition, engine, environment, europe, german postal service, germany, global warming, letter, logistic, logo, mail, modern, parcel, pedelec, post, receive, rechargeable, send, service, sign, sustainable, symbol, thrifty, transport, tricycle, trike, yellow,