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Slideshow: Flipping the Switch on LED Lighting for the National Mall

January 31, 2012 - 3:05pm


Last night, Energy Secretary Steven Chu and Interior Secretary Ken Salazar ushered in a new era for energy efficiency on the National Mall when they flipped the switch on LED lights in 174 vintage Olmsted lampposts. The bulbs are expected to last up to 25 years and save 65% on energy bills.

Check out the full slideshow from the event above.