Comment Re:useful energy is not free (Score 1) 404
What some people seem to be forgetting is that a normal road surface is deformed when a car drives over it.
If these "kinetic plates" respond to the weight of a vehicle in the same manner as the traditional road surface, then no new stress is imposed on the vehicle, and energy that would other wise be wasted in the deformation of the road would be put to work driving electrons.