Hewlett-Packard early next year will begin offering a new line of "Enviro" batteries for laptop users who want to upgrade to longer-lasting and more sustainably designed batteries. HP and Boston Power have been testing the...
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Philips has put up the first streetlamps that use light-emitting diodes (LEDs), which last four times longer than normal street lighting, the Dutch electronics group said on Friday. With 50,000 light hours, LED lamps do...