Ключевые слова: air, auto, automobile, automobile industry, car, car muffler, car part, carbon, carbon dioxide, city, combustion, combustion fumes, diesel, dust, ecology, engineering, environment, exhaust, exhaust gases, exhaust pipe, exhaust system, garage, gas, gasoline, greenhouse, industry, luxury, maintenance, mechanic, metal, modern, muffler, new car, oil, old, pipe, pollution, road, rust, service, smoke, sports, steel, tailpipe, technology, traffic, transport, transportation, vehicle, waste,