LAS VEGAS, NV - AUGUST 03: Light-emitting diodes (C) are shown in a detail photo of an LED fixture August 3, 2011 in Las Vegas, Nevada. The city is replacing 6,600 existing streetlights with the new energy-efficient LEDs, which are expected to reduce the city's annual electricity use by eight million kilowatt hours, saving about USD 400,000. The city estimates the LEDs will last about 15 years, nine years longer than the current lights. Funding for the project comes from federal energy conservation bonds and an American Recovery & Reinvestment Act grant. The city plans to replace all of its 50,000 streetlights after more funding is secured.
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