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Working Toward Better CO2 Capture

Separating carbon dioxide from its polluting source - such as the flue gas from a coal-fired power plant - may soon become cleaner and more efficient thanks to a screening method developed by a Lawrence Livermore National Laboratory researcher.

Posted in: Climate, Pollution, Green Design & Manufacturing, Greenhouse Gases, News, GDM

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LED Driver Increases Component Longevity

Supertex, Inc. (Sunnyvale, CA) introduces a buck-mode LED driver IC with hysteretic current control and high-side current sensing. The HV9918 is ideal for a variety of solid-state lighting applications, such as low-voltage industrial and architectural LED lighting.

Posted in: Lighting, News, Products, GDM

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Green Aircraft Contest Takes Off

Today, the NASA Innovative Partnerships Program and the Comparative Aircraft Flight Efficiency (CAFE) Foundation officially announced the Green Flight Challenge. The flight efficiency competition is for aircraft that can average at least 100 mph on a 200-mile flight, while achieving greater than 200 passenger miles per gallon.

Posted in: Alternative Fuels, Green Design & Manufacturing, Energy Storage, Solar Power, Energy Efficiency, Energy, Transportation, News, GDM

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Reinventing the Tuktuk

In large cities across Asia, auto rickshaws (tuktuks) are one of the most important means of transportation. These tuktuks produce considerable CO2 emissions and air pollution, and their drivers are underpaid. Students participating in the Hybrid Auto Rickshaw project sought to cut CO2 emissions by 40%, while improving the economic positions of drivers.

Posted in: Pollution, Green Design & Manufacturing, Greenhouse Gases, Energy Efficiency, Energy, Transportation, News, GDM

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Creating "Cool" Cars

Operating the air conditioning is the largest auxiliary energy drain on cars. In December 2008, DOE announced a project to study and develop thermoelectric heating and cooling systems. As partners in the project, NREL will team up with Ford to research efficient ways of cooling vehicles.

Posted in: Energy Efficiency, Thermoelectrics, Energy, Transportation, News, GDM

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Improvements in Organic Photovoltaics on the Horizon

Organic photovoltaics, which rely on organic molecules to capture sunlight and convert it into electricity, have come a step closer to reality thanks to discoveries by NIST researchers. The scientists have deepened their understanding of the complex organic films at the heart of the devices.

Posted in: Solar Power, Energy Efficiency, Renewable Energy, Energy, News, GDM

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Efficient Light Source Technology

New cavity organic light-emitting diode (COLED) technology from SRI International and light-emitting polymers from Showa Denko K.K. (SDK) produce a highly efficient light source that could replace incandescent and fluorescent light bulbs.

Posted in: Energy Efficiency, Energy, Lighting, News, GDM

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