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12173
Retrofitting for Sustainability: Carbon-Smart and Cost-Effective Solutions
Posted in Features, Materials, Solar Power, Energy Efficiency, Renewable Energy on Monday, November 21 2011
As the sustainable design movement continues to grow rapidly throughout the US, architectural engineers, building product manufacturers, and construction business owners must keep up with stringent environmental regulations amidst a quickly changing landscape of new green materials.
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11074
Inverter Testing and Certification for Global Markets
Posted in Features, Smart Grid, Green Design & Manufacturing, Solar Power, Wind Power, Energy Efficiency, Renewable Energy, Energy, GDM on Friday, September 02 2011
Inverters/converters are a key element of most renewable energy systems where the power generated is not suitable to either be used locally or to provide power directly to the electric utility. Many renewable sources such as photovoltaics generate DC power, while some renewable sources such as wind turbine systems generate AC, but not at the same voltage and/or frequency required by the utility.
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10026
Cool and Green: Vehicle Thermal Management
Posted in Features, Green Design & Manufacturing, Greenhouse Gases, Transportation, GDM on Wednesday, May 11 2011
Air conditioning is a ‘must-have’ for most new cars. But the fluorocarbon refrigerant HFC-134a – the global standard – is one of the ozone-depleting greenhouse gases causing global warming. With these concerns, the European Union has passed regulations phasing out the compound beginning in 2011 and mandating the use of alternatives with less environmental impact.
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9574
From Aircraft Wings to Wind Turbine Blades: NASA Software Comes Back to Earth with Green Energy Applications
Posted in Features, Wind Power, Energy Efficiency, Renewable Energy, Energy, GDM on Tuesday, March 29 2011
You might think a wind turbine would have more in common with a plane’s propeller than an aircraft wing, but wind blades actually behave a lot more like wings than props. This fact has enabled a valuable spinoff from aerospace to wind energy involving the first software that NASA ever allowed to be commercialized as part of the Agency’s ongoing effort to transfer technology to U.S. business and industry.
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8344
Generating Energy Innovation: Disrupting the Alternatives
Posted in Features, Alternative Fuels, Green Design & Manufacturing, Greenhouse Gases, Biomass, Solar Power, Wind Power, Energy Efficiency, Renewable Energy, Energy, GDM on Thursday, July 29 2010
In just the last few years, innovation in alternative-energy technologies have gained significant footholds in product development lifecycles and are rapidly changing our individual roles as energy consumers and producers. Out of the box thinking and breakthrough discoveries are on the rise in solar, wind, biofuel, and other alternative-energy technologies. 
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8231
Optimized Power Devices Enable Energy Efficient Solar Inverters and Micro-Converters
Posted in Features, Solar Power, Wind Power, Energy Efficiency, Renewable Energy, Energy, GDM on Tuesday, July 20 2010
As the demand for greener appliances and consumer products soars across the globe, and energy savings becomes a global phenomenon (and necessity) in residential and commercial environments, solar and wind power technologies have begun to proliferate in cities and states around the world.
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7988
Hermetic Feedthroughs: A Critical Component in New Flywheel Energy Storage Solutions
Posted in Features, Energy Storage, Energy Efficiency, Renewable Energy, Energy, GDM on Tuesday, May 11 2010
The phrase “everything old is new again” certainly applies to today’s flywheel technology. Forget the mechanical bearing, standard atmosphere 5,000 RPM steel behemoths of the past, many of today’s flywheel designs feature compact carbon fiber composite rotors on magnetic bearings, turning in a vacuum at up to 60,000 RPM.
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Featured Video

A new lab at the National Institute of Standards and Technology (NIST) is dedicated to improving the quality of light that LEDs produce. Take a look inside the lab in this video.
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