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Piezoelectricity created from cars driving to add to the grid

Imbedding rows of Piezoelectric devices like what they put in cigarette lighters into the lanes of heavy used freeways that will create electricity that can be plugged into the grid? It would take what would be other wise wasted gasoline energy and convert it to usable energy. You could make a strip about a foot wide and imbed it where the tires normally are in the lane and the force to compress it to generate the electricity to that of down force of each tire of an average weight car. Sorry about the grammar and I post it here because I didn’t know what else to do with the idea

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    Mar 14 2013: Your idea has raised interest. Good job.

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