Ciris Energy today said it raised a series B round to build its first commercial plant for converting underground coal to natural gas. (Credit: C... read more »
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(Credit: Sapphire Energy) March is known as the green month, so it's fitting that only one week into it there's already some interesting news fo... read more »
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In the geeky world of energy storage, there are well-understood limitations to plain old batteries and to ultracapacitors, devices able to store rel... read more »
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Catch a trailer by the tail. (Credit: ATDynamics) You're driving down the highway. A big rig passes. Everything seems normal till you see a stra... read more »
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BOSTON--Green building professionals can point to dozens of houses that are so efficient they consume less than half the energy of an average Americ... read more »
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BOSTON--In one respect, green-tech companies are realizing what IT manufacturers did many years ago: just selling a box will only go so far. To ge... read more »
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NATIONAL HARBOR, Md.--Energy Secretary Steven Chu is drawing on U.S. history in research and development to advocate for policies to encourage clean... read more »
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Even as the big automakers start making plug-in electric vehicles, ALTe PowertrainTechnologies is one of many companies seeking to carve out a busin... read more »
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The cost of efficient yet pricey LED light bulbs could fall by 50 percent in the next five years, according to the top Philips Lighting executive in... read more »
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The efficiency gauge on the Volt&39's instrument panel can help drivers maximize fuel economy. (Credit: GM) Most Chevrolet Volt owners probably a... read more »
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SunRun said that it has secured $200 million from a bank to finance the installation of residential solar panels, a sign of confidence in a business... read more »
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At this point, LED bulbs are the hybrid cars of lighting. They're cheaper to operate but cost more upfront than their less-efficient cousins. There... read more »
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(Credit: Sarah Tew/CNET) The newer your flat-screen TV is, the more energy-efficient it is, according to a study released today by industry group ... read more »
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Maxwell Technologies already makes an array of ultracapacitors used to aid in powering everything from cars to camera flashes. (Credit: Maxwell Tec... read more »
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Even in the wake of Japan's Fukushima nuclear crisis, nuclear power remains a safer and cleaner choice for China than coal, Pan Ziqiang, the chairma... read more »
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A Gen7 School at Bolsa Knolls Middle School in Salinas, Calif. (Credit: American Modular Systems) Could prefab structures be a quick and cost-savi... read more »
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WORCESTER, Mass.--The electronic waste piling up in our closets and basements holds valuable material that could be used to make something new, as i... read more »
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SmartGridView is marketing itself as a service that brings together experts to discuss intelligent power grids, and packages that knowledge for the re... read more »
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When Mike Peterson jumped into a colleague's single turboprop Pilatus and flew over the remote Central California valley that he now hopes to turn i... read more »
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The Volvo C30 Drive Electric, plugged in between drives. (Credit: Daniel Terdiman/CNET) Volvo C30 Drive Electric (photos) The Los Angel... read more »
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