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Webcast on Specification for LED Streetlights
Posted in Energy Efficiency, Energy, Lighting, Transportation, Government Initiatives, Government, News, Events, GDM on Monday, October 31 2011
On November 15th at 1:00pm EST, tune in to a 90-minute live webcast hosted by the Department of Energy on new recommendations for implementing energy-saving street lighting projects. The webcast will be moderated by Consortium Director Edward Smalley of Seattle City Light.
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Efficient IGBTs
Posted in Alternative Fuels, Green Design & Manufacturing, Solar Power, Wind Power, Energy Efficiency, Energy, Products, GDM on Friday, October 28 2011
Powerex (Youngwood, PA) has introduced IGBTs from 300A/1200V - 800A/1200V in conventional packages, allowing users an easy upgrade path for increased system ratings and/or improved reliability due to the increased allowable operating junction temperature. Applications include motor drives, fuel cells, and wind and solar inverters.
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Ongoing Power Performance Research to Advance Electromobility
Posted in Batteries, Electronics & Computers, Energy Storage, Energy Efficiency, Energy, Transportation, News, GDM on Wednesday, October 26 2011
The AutoTram® is as long as a streetcar and as maneuverable as a bus. It doesn’t need rails or overhead lines because it rolls on rubber tires and simply follows white lines on the street. In “Fraunhofer’s System Research for Electromobility,” the AutoTram® was used as an experimental platform. It was a component of the research collaboration of more than 30 of Germany's Fraunhofer institutes.
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Automotive-Qualified IGBTs Optimized for Electric and Hybrid Vehicle Applications
Posted in Energy Efficiency, Energy, Transportation, Products, GDM on Tuesday, October 25 2011
International Rectifier (El Segundo, CA) has released automotive-qualified 600 V IGBTs optimized for variable speed motor control and power supply applications used in electric and hybrid vehicles. The new devices cover a broad current range and offer a short-circuit rating of ≥5µs.
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Invention Saving Consumers Trillions of Watt Hours
Posted in Energy Efficiency, Energy, News, GDM on Monday, October 24 2011
A University of California, San Diego technology that significantly reduces the amount of energy wasted by chips in electronic devices has recently passed the trillion watt-hour milestone in energy savings, according to the technology’s current licensee, Tela Innovations.
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Record Voltage for Organic Solar Cells
Posted in Solar Power, Energy Efficiency, Renewable Energy, Energy, News, GDM on Friday, October 21 2011
Molecular Solar Ltd., a spinout company from the UK's University of Warwick, has have achieved a record voltage for organic photovoltaic cells - which means these highly flexible, low-cost solar cells can now be devolved for commercial uses in a wide range of consumer electronics.
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LED Drivers
Posted in Energy Efficiency, Energy, Lighting, Products, GDM on Thursday, October 20 2011
XP Power (Sunnyvale, CA) has released the DLG series of constant voltage and constant current LED drivers for a range of outdoor lighting, security, and machine vision applications. The IP67-rated waterproof units are highly efficient, up to 90%, and generate less waste heat than competitor products - resulting in an extended operating lifetime.
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Improving the Physics of Grocery Store Display Cases to Save Energy
Posted in Energy Efficiency, Energy, News, GDM on Wednesday, October 19 2011
Designing grocery display cases has a lot in common with aeronautical engineering. Refrigerated display cases shoot jets of air across their front openings, creating an invisible shield that aims to keep cold air in and warm air out. Current technology does this with limited success. Engineers at the University of Washington and Kettering University have found that tweaking the physics can reduce energy by as much as 15 percent.
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DC-DC Switching Charger ICs
Posted in Batteries, Electronics & Computers, Energy Efficiency, Energy, Products, GDM on Tuesday, October 18 2011
austriamicrosystems (Unterpremstaetten, Austria) offers two new battery charger ICs for Li-ion batteries in mobile devices. The AS3610/11 step-down DC-DC chargers offer fast and highly efficient charging of Li-ion batteries with up to 1.25 A output current. The ICs include safety and protection features, internal current measurement, and USB Host/OTG (on the go) boost mode operation.
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Technology Reduces Production Costs of Lithium-ion Cells
Posted in Batteries, Electronics & Computers, Energy Efficiency, Energy, Transportation, News, GDM on Monday, October 17 2011
A development by engineers of Germany's Karlsruhe Institute of Technology (KIT) is inspired by nature. To fill the porous electrodes of lithium-ion batteries more rapidly with liquid electrolyte, they use a physicochemical effect that also provides water transport in trees. The new process increases the throughput of battery production and reduces investment costs.
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Energy-Efficient, Cost-Effective Fuel and Plastics Production
Posted in Building Technologies, Energy Efficiency, Energy, News, GDM on Friday, October 14 2011
A University of Minnesota team has made major progress in the quest to design a specialized type of molecular sieve that could make the production of gasoline, plastics, and various chemicals more cost-effective and energy-efficient. The research was led by chemical engineering and materials science professor Michael Tsapatsis.
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Automotive IC
Posted in Remediation Technologies, Green Design & Manufacturing, Greenhouse Gases, Energy Efficiency, Energy, Transportation, Products, GDM on Thursday, October 13 2011
STMicroelectronics (Geneva, Switzerland) introduces the L99PM72PXP, an automotive IC supporting advanced networking technology to unlock valuable improvements in fuel efficiency and emissions. The new chip reduces the energy consumed by systems such as door electronics and climate controls by allowing modules to be turned off individually when not being used.
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Record-Breaking Solar Cells
Posted in Solar Power, Energy Efficiency, Renewable Energy, Energy, News, GDM on Wednesday, October 12 2011
Developed by Singapore's Nanyang Technological University (NTU) and A*STAR Institute of Microelectronics (IME), new thin-film silicon solar cells are designed to be made from cheaper, low-grade silicon. The nano-structured solar cells can produce a current of 34.3mA/cm2 – a world record for a silicon solar cell of its kind.
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Guiding Principles for Implementing Industrial Energy Assessment Recommendations
Posted in Building Technologies, Energy Efficiency, Renewable Energy, Energy, Government Initiatives, Government, Events, GDM on Tuesday, October 11 2011
Tune in to a webinar hosted by DOE industrial energy efficiency experts today at 2:00 p.m. EDT. The webinar will walk you through the critical aspects of preparation and implementation before, during, and after an industrial energy assessment and will focus on key strategies for ensuring implementation of recommendations and continuous energy efficiency improvements in the future.
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Constant-Current Regulators
Posted in Energy Efficiency, Energy, Lighting, Products, GDM on Monday, October 10 2011
ON Semiconductor (Phoenix, AZ) has expanded its portfolio of constant-current regulators (CCRs) to include the NSI50350A. The simple and robust device is designed to provide a thermally-efficient and cost-effective alternative to passive/discrete components or driver IC solutions for current regulation of LEDs.
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Innovative Electric Aircraft Collects Aviation Prize
Posted in Batteries, Electronics & Computers, Energy Efficiency, Energy, Transportation, News, Videos, GDM on Friday, October 07 2011
The 2011 CAFE Green Flight Challenge has a winner! NASA awarded a $1.35-million first place prize to team Pipistrel-USA of State College, PA. The team's electric Taurus G4 aircraft achieved the equivalency of more than 400 miles per gallon. The second place prize of $120,000 went to team eGenius, of Ramona, CA.
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Novel Catalyst Helps Turn Carbon Dioxide Into Fuel
Posted in Alternative Fuels, Green Design & Manufacturing, Greenhouse Gases, Biomass, Energy Storage, Solar Power, Wind Power, Energy Efficiency, Renewable Energy, Energy, News, GDM on Friday, October 07 2011
Artificial photosynthesis is the process of converting carbon dioxide gas into useful carbon-based chemicals - most notably fuel or other compounds usually derived from petroleum - as an alternative to extracting them from biomass. An Illinois research team has produced a catalyst that improves the process.
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Crash-Resistant Battery Housing for Electric Cars
Posted in Building Technologies, Batteries, Electronics & Computers, Transportation, News, GDM on Thursday, October 06 2011
Fraunhofer scientists working on electronic drives have replaced a battery box for lithium-ion batteries with a lightweight component. Not only does the housing save weight and sustain no damage in an accident – for the first time ever, it can also be mass-produced.
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Self-Igniting Fungi Promising for Biomass-Based Fuels
Posted in Building Technologies, Waste-to-Energy, Alternative Fuels, Green Design & Manufacturing, Biomass, Energy Efficiency, Renewable Energy, Energy, News, GDM on Wednesday, October 05 2011
The complete genetic makeup of two heat-loving fungi often found in composts that self-ignite without flame or spark has been decoded by an international team of scientists. Their findings may lead to the faster and greener development of biomass-based fuels, chemicals, and other industrial materials.
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Solar Decathlon 2011 Has A Winner
Posted in Building Technologies, Green Design & Manufacturing, Recycling Technologies, Solar Power, Energy Efficiency, Renewable Energy, Energy Harvesting, Energy, News, Videos, GDM on Monday, October 03 2011
The University of Maryland has won top honors at the U.S. Department of Energy Solar Decathlon 2011 by designing, building, and operating the most cost-effective, energy efficient, and attractive solar-powered house. Purdue University took second place followed by New Zealand (Victoria University of Wellington) in third.
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Cheap Sugars for Sustainable Biofuel Production
Posted in Alternative Fuels, Green Design & Manufacturing, Biomass, Renewable Energy, Energy, News, GDM on Friday, September 30 2011
Researchers at Iowa State University think that fast pyrolysis - quickly heating biomass such as corn stalks or wood chips without oxygen to produce liquid or gas products - could be a new way to make inexpensive sugars from biomass.
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$10 Million in Funding to Support R&D to Improve SSL Manufacturing
Posted in Energy Efficiency, Energy, Lighting, Government Initiatives, Government, News, GDM on Tuesday, September 27 2011
The DOE has announced the availability of up to $10 million in funding for energy-saving lighting technologies. DOE is seeking applications for research and development projects to drive down the cost and improve the quality of solid-state lighting products through manufacturing improvements.
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Thermal Energy Harvesting Enables Wireless Sensor Deployment
Posted in Waste-to-Energy, Batteries, Electronics & Computers, Green Design & Manufacturing, Recycling Technologies, Thermoelectrics, Energy Harvesting, Energy, Products, GDM on Monday, September 26 2011
Marlow Industries (Dallas, TX) has introduced the EverGen series of thermoelectric-based energy harvesting devices, offering a zero-maintenance power solution for wireless sensor applications. EverGen thermal energy harvesters power wireless sensors without a battery, reducing replacement costs.
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Edible Carbon Dioxide Sponge
Posted in Remediation Technologies, Green Design & Manufacturing, Greenhouse Gases, News, GDM on Friday, September 23 2011
A team of researchers at Northwestern University has discovered that a class of nanostructures made of sugar, salt, and alcohol can efficiently detect, capture, and store carbon dioxide. And the compounds themselves are carbon-neutral.
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Flexible CIGS Solar Cells - 18.7% World Record Efficiency
Posted in Solar Power, Energy Efficiency, Renewable Energy, Energy, News, GDM on Wednesday, September 21 2011
New technology yielding flexible solar cells was developed by scientists at Empa, the Swiss Federal Laboratories for Materials Science and Technology. Key to the breakthrough is the control of the energy band gap grading in the copper indium gallium (di)selenide semiconductor, or CIGS, the layer that absorbs light and converts it into electricity.
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