In an effort to increase energy efficiency, the city of Napa, Calif., wants to deploy a new, large-scale installation of light-emitting diode (LED) streetlights. New Streetlights reported on the project and said the city previously installed approximately 300 LED streetlights through a pilot program, and it’s success to save on energy and costs, is encouraging Napa city officials to approve a complete overhaul of its streetlights.