Ключевые слова: auto, automobile, background, benzine, black, business, car, concept, diesel, drop, economy, energy, environment, fill, flat, fossil, fuel, gas, gasoline, gold, golden, hose, icon, illustration, industrial, industry, isolated, metro, nozzle, oil, petrol, petroleum, pipe, pollution, power, price, pump, refuel, refueling, service, sign, station, symbol, tank, transport, transportation,