Philips "super light bulbs" : the world's most energy-saving LED light bulb
Datum:2011-08-15 15:27
saving 83% energy, convert into money is $3.9 billion a year. In addition, it also can avoid 20 million tons of carbon dioxide emissions. Save the energy equivalent to Washington, d.c., these three times each year, the requirements of electricity to 18 million families provide illumination.
As a reward, the company will get $10 million in prize money to help the company is one of the first super light bulb.
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