Low-cost LEDs to slash household electric bills

A new way of making LEDs could see household lighting bills reduced by up to 75% within five years.

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<p><a href="http://www.physorg.com/news152430535.html">Low-cost LEDs to slash household electric bills</a></p> <p>A new way of making LEDs could see household lighting bills reduced by up to 75% within five years.</p>