Ключевые слова: automobile, car, carbon dioxide, circumstance, co2, drive, driver, driving, dusk, eco, ecocar, ecology, ecology image, electric car, electric light, electricity, electronic toll collection system, energy saving, energy savings, environ, environment, environmental protection, evening, evening sun, fast, freeway, global environment, high gear, high speed, highway, kanabi, kanabigeshon, kuruma, night, passenger car, reduction, road, ryokinjo, saving energy, setting sun, sun set, sunset, surroundings, transportation, twilight, vehicle, vehicles,