Ключевые слова: air, auto, automobile, automotive, background, car, carbon, chrome, clean, close, design, dioxide, energy, engine, environment, environmental, exhaust, fuel, gas, gases, greenhouse, industry, machine, metal, modern, motor, muffler, new, outside, part, pipe, pollution, power, road, smoke, stainless, steel, street, system, tail, tailpipe, technology, toxic, traffic, transportation, tube, up, vehicle, wheel, white,