LED Rush to Riches Making Siemens Collide With LG-Samsung: Tech
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Pocahontas, Iowa, population about 1,700, is on the cutting edge of a tech revolution. It replaced all 280 of its street lamps with semiconductors that convert electricity into light.
The old yellowish lamps now shine a brighter white and use about half the electricity, which should let the $190,000 investment pay off within four years, City Administrator Robert Donahoo said in an interview.