A light source equivalent to a 20 watt bulb, that illuminates continuously for 12 years without the need for electricity or sunlight, that’s both non-toxic and inexpensive?
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Goes on Green plans U.K. biodiesel plant | Cleantech.com - 0 views
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Highly Efficient "Kid Friendly" Trains : MetaEfficient - 0 views
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Vint Cerf: We built the road, now let's see where the journey takes us | Media | The Gu... - 0 views
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A Green Spaceport? : MetaEfficient - 0 views
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