Why are driverless cars good?, They are very big, They are safer and reduce traffic, They are slow, What is special about the monorail?, It goes under the ground, It flies, It goes over people's heads, How can the monorail move?, By fuel only, By human energy, By water, How do some ships save energy?, They use wind, They stop moving, They use water, Why are these ships cheaper?, They use less fuel, They are smaller, They are slower, Why is the hyperloop special?, It is very cheap, It is very small, It is very fast, i, Where does the hyperloop travel?, On the road, In a tube, In the sky.

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