It seem like the big apple is really trying its best to live green and save mother earth. They already have the plastic bag tax, mass transit system, LEED certified skyscrapers, and car free zones, and soon will be an efficient LED street lamps will light up the busy streets of New York City that will let the city saves power usage by 25-30 percent. The LED lamps will be installed first on selected areas, and if it will be a successful one, all the street lights of New York City will be replaced with this efficient and energy saving one. In addition, it also requires less maintenance than the usual sodium light thus, has an expected ROI of 2-3 years for each lamp.
Source: Inhabitat and Red Green and Blue