Gas Pump Drip: Conservation And Fuel Issues A single drip of fuel hangs from the tip of a gas nozzle held by a man in this concept stock photo that illustrates themes around gas, fuel, conservation and energy. The image can be licensed through Getty Images. Picture of gasoline, fuel and petrol illustrating conservation issues. A man holds a gas pump with a single drop of gas dripping from the end of the nozzel demonstrating fuel scarcity. A Single Drop of Petrol On The End of a Gas Nozzle. A man holds out a gas nozzle with a single drop of fuel hanging from the tip in this concept stock photo about conservation and energy resources.