Ключевые слова: air, asphalt, atmosphere, auto, automobile, bumper, car, carbon, catastrophe, closeup, condition, contamination, damage, danger, dioxide, dirty, disaster, dust, eco, ecology, effect, emission, engine, environmental, exhaust, fog, fuel, fume, gas, gasoline, health, highway, industry, motion, muffler, part, pipe, pollution, power, smog, smoke, steam, tail, technology, toxic, traffic, transport, transportation, vehicle,