Sustainable Energy LED Lights to Cut 60-Watt Bulb to Five Watts Philips seeks to replace florescent tube light with an LED using technology planned for other types of bulbs. by Martin LaMonica 2013-04-11T09:24:44-04:00
Sustainable Energy Cheaper White-Light LEDs Replacing sapphire with silicon could lead to more-affordable LEDs. by Lauren Rugani 2008-07-29T00:00:00-04:00
