街灯のLED化100%。[It is 100% the LED of the streetlight]

First U.S City To Be Lit With 100% LEDs: Ann Arbor!

電力消費を半分にして、５倍も長持ちする優れたLED(Cree XLamp LED)を採用。
Electricity consumption is half, and the life adopts superior LED(Cree XLamp LED) of 5 times, too.
Souce...