GAB Report library

Energy Efficiency


  • City of Ann Arbor Pilots LED Street Lights and Reduces Costs
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    City of Ann Arbor Pilots LED Street Lights and Reduces Costs

    LED (light emitting diode) is a solid-state semiconductor device that converts electrical energy directly into light.  Its development started in the 1960s and has been typically utilized as indicator lights in numerous electronic products, signage and flash light applications.  Just in the last few years as its technology advanced, LEDs are now used in real…