Her engine's running and the fuel is clean She only uses it 'cause she's a machine She don't need it though, Just to cruise around the town (keep filling that fuel line) (keep filling that old fuel line) (keep filling that fuel line) (keep filling that old fuel line) The awesome power of electricity Stored for you in a giant battery She work so quiet, she just like a ghost (keep filling that fuel line) (keep filling that old fuel line) (keep filling that fuel line) (keep filling that old fuel line) Fill her up! Fill her up! Fill her up! Fill her up! The world is ready for a whole new game Some old-timers wanna stay the same But they still like to advertise how clean and green they are (keep filling that fuel line) (keep filling that old fuel line) (keep filling that fuel line) (keep filling that old fuel line) But she don't listen to what they say She burned the mess they clean fuel instead She don't use much though, that's smart for a car (keep filling that fuel line) (keep filling that old fuel line) (keep filling that fuel line) (keep filling that old fuel line) Fill her up! Fill her up! Fill her up! Fill her up! She's not the car that she used to be She wants to take you, and she wants to take me Into the future that's her destiny (keep filling that fuel line) (keep filling that old fuel line) (keep filling that fuel line) (keep filling that old fuel line) (keep filling that fuel line) (keep filling that old fuel line) (keep filling that fuel line) (keep filling that old fuel line)