In the geeky world of energy storage, there are well-understood limitations to plain old batteries and to ultracapacitors, devices able to store rel...
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It took awhile, but Panasonic has announced that it will finally make Sanyo a wholly owned subsidiary.
The company said it plans to acquire the re...
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A Department of Energy project will test how refrigerator-size fuel cells fit a niche in the energy system of serving up heat and electricity to bus...
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A battery-switching station for electric taxis in Tokyo. On the right, you can see the white cars drive in. On the left, fresh batteries are deli...
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Editor's note: This is the second story in an ongoing series profiling college graduates throughout the United States as they hunt for technology job...
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U.S. rare earth metal supplier Molycorp today said that it is planning a joint venture with Hitachi Metals to produce rare earth metals in the U.S.
...
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The Earth Networks sensor network will use this greenhouse gas monitoring equipment from Picarro.
(Credit:
Martin LaMonica/CNET)
Having tracked t...
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What a typical intact fluorescent light ballast made before 1979 looks like, according to the EPA.
(Credit:
EPA)
The Environmental Protection Agen...
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Transphorm came out of stealth today with the high-profile backing of Google Ventures and Kleiner Perkins, and power-conversion technology it says can...
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Valuable metals contained in electronics and green-technology products are being recycled at "discouragingly" low rates, raising the prospect of mat...
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Here are the top cleantech stories we&'re following on the GreenBeat:Tesla expects Japan to eventually become its No. 2 market for sales after the U.S...
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Where most people see a pile of leftovers or yard waste, Paul Sewell sees a revenue stream, delivering energy and valuable nutrients.
Sewell is the...
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Japanese authorities tried pouring water on overheated reactors from a helicopter but abandoned the effort because of radiation risks.
(Credit:
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After record solar-plant approval in 2010, the California Energy Commission believes its "big push" in solar-thermal projects is over.
This past ye...
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LAS VEGAS--General Electric today said the next phase of its $200 million entrepreneurship challenge will focus on home energy management.
GE at th...
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An A19 omnidirectional 8.5-watt LED on sale at Amazon for $21.28 from Lighting Science Group.
(Credit:
Lighting Science Group)
Lighting manufactur...
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