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Using Traffic To Produce Electricity


California is testing whether its heavy traffic can produce not just emissions and air pollution, but electricity. nytrafficThe state’s Energy Commission says it will spend $2 million to examine the potential of using piezoelectric crystals embedded under asphalt as a way to send the energy created by moving cars to the grid. The crystals generate energy when compressed by the weight of moving cars, but tests of the technology at larger scales have failed or been canceled in Tokyo, Italy, and Israel, according to the Associated Press. California, therefore, “needs to figure out whether it can produce high returns without costing too much,” the AP writes. If successful, the technology could help the state reach its goal to generate 50 percent of its electricity from renewable sources by 2030. California is expected to hit a 25 percent renewables target by the end of this year.

From Yale University  Photo Credit John Vlahakis


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