Ключевые слова: accident, air, asphalt, auto, background, black, bumper, car, carrier, cars, city, combustible, condition, consumption, contaminant, contamination, contamineted, crisis, danger, dirty, ecology, economy, emission, energy, engine, environment, environmental, excursion, exhaust, field, fuel, fumes, gas, jam, money, nature, oil, old, pipe, polluted, pollution, polution, power, road, smog, smoke, soot, traffic, transportation, vehicle,