#3244: Pullback Drive

XKCD comic, described below.
Transcript
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[Hairy & Cueball are talking in front of a white car. Hairy has his hand raised]

Hairy:You won't have to worry about gas prices or electricity prices with our new pullback drive.

Hairy:At the factory, we put the car on the ground and tow it backward until it starts clicking.

Hairy:To drive forward, you just release the brakes and away it goes.


(Sourced from explainxkcd.com)

Title text:"How does the spring not run out almost immediately?" "We pull it back REALLY far."


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