Ключевые слова: auto, automobile, concept, conservation, conserve, costs, crisis, dependency, economical, economy, efficient, empty, energy, energy crisis, expenses, fill, fuel, fuel prices, fumes, gallon, gas, gas prices, gas pump, gasoline, gauge, hybrid, liter, litre, mileage, miles per gallon, mpg, oil, oil dependency, out of gas, petrol, petroleum, prices, pump, resources, running, running on empty, sign, smoking, station, symbol, symbolic, tank, transport, transportation,