Ключевые слова: air, auto, ban, car, care, city, climate, concept, diesel, dioxide, driving, ecology, emission, emitting, engine, environment, environmental, euro, exhaust, fahrverbot, forbidden, fraud, fuel, gas, germany, health, law, load, low, manipulation, matter, monoxide, motor, nitrogen, oxides, particulate, pipe, politics, pollution, prohibition, protection, sign, smog, smoke, symbol, traffic, transport, vehicle, zone,