Ключевые слова: background, benzine, biodiesel, blue, concept, consumption, diesel, drop, drop of oil, droplet, energy, equipment, fill, fuel, fuel nozzle, gas, gas nozzle, gas pump nozzle, gasoline, industry, isolated, meter, nozzle, oil, oil drop, petrol, petroleum, pipe, power, pump, putting, refill, refuel, renewable, station, tap, unleaded,