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The U.S. Department of Energy (DOE) proposes to establish test procedures for light-emitting diode (LED) lamps to support implementation of labeling provisions by the Federal Trade Commission (FTC) established under the Energy Policy and Conservation Act (EPCA). The proposed test procedures define methods for measuring the lumen output, input power, and relative spectral distribution (to determine correlated color temperature, or CCT) of LED lamps. Further, the proposed test procedures define methods for measuring the lumen maintenance of the LED source (the component of the LED lamp that produces light) to project the rated lifetime of LED lamps. The rated lifetime of the LED lamp is the time required for the LED source component of the lamp to reach lumen maintenance of 70 percent (th...
...After reviewing. Page 21039. available industry standards for determining the lumen outpu...: Measuring Lumen Maintenance of LED Sources'' and TM-. 21-2011, ``Projecting Long Term Lumen M...
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THE unemployment rate in Los Angeles hovers near 13percent. The Los Angeles economy has continued to falter for the past several years because of a tenacious recession. Many Los Angeles homeowners are facing foreclosure of their homes and many more are underwater with mortgages that they can barely afford. With little regard for the current economic crises, the California legislature has established a renewable energy goal of 33 percent by the year 2020. California is pushing utilities that have long relied on fossil fuels to use more renewable energy sources such as wind, hydro-electric, geothermal and solar. Fossil fuels are a readily available, reliable source of energy for utilities to generate electric power. But fossil fuels generate greenhouse gases when burned in the L.A. Depart...
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Fuelwood remains the primary energy to a majority of the population in Africa. However, little is known about the factors influencing its use particularly in urban centers where alternative energy sources are available. Using cross-sectional survey data from 200 households in the Jimma town of Ethiopia, this study investigates why some urban households use more fuelwood than others. Empirical results of the Tobit model reveal that the association between per capita income and per capita fuelwood consumption is non-linear and that per capita fuelwood consumption is inversely associated with family size and education of the household head. Additionally, refrigerator ownership has a significant positive effect on per capita charcoal consumption. Therefore, energy policy and development pro...
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TOLEDO, Ohio, July 1 /PRNewswire-FirstCall/ -- Owens Corning (NYSE: OC) today released its fourth annual Sustainability Report, which outlines the company's progress in reducing its environmental footprint, greening its product lines, providing energy-efficiency solutions for the built environment and supporting renewable energy sources. The full report and a downloadable summary progress report is available online at www.sustainability.owenscorning.com. Our fourth annual Sustainability Report demonstrates our commitment to setting and meeting aggressive goals related to greening our products and greening our operations," said Frank O'Brien-Bernini, chief sustainability officer at Owens Corning. "We have made solid progress with our sustainability efforts and remain focused on continuo...
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BASKING RIDGE, N.J., April 6 /PRNewswire/ -- Teachers looking for lessons on environmental issues ranging from climate change to renewable energy sources to local ecosystems will find a host of educational resources available for free in Verizon Thinkfinity's new Earth Day feature. The Verizon Thinkfinity Web site, (www.thinkfinity.org), contains thousands of free, engaging educational resources that make learning fun. Lesson plans, in-class activities and homework help can be found quickly and searched by grade level, keyword or subject.
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The Capital-Journal Westar Energy has identified plans to build numerous power transmission lines during the next decade that the electrical utility says will further its ability to make renewable sources of energy available.
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FARMINGTON - Franklin County commissioners voted Tuesday to have an architectural firm consultant pursue federal and state funding programs to help build a $3 million public safety building. Before commissioners would move forward to borrow that type of money, Chairman Fred Hardy of New Sharon said the issue would need to go to a referendum. However, learning if low-interest loans or grants for alternative energy sources are available should be done before a proposal is put together.
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On Oct. 23, a group led by singers Jackson Browne, Graham Nash and Bonnie Raitt delivered a petition to the Senate denouncing nuclear energy. Their spurious arguments are off-key to say the least. They confuse nuclear weapons with nuclear energy, claim non- existent dangers, and misrepresent nuclear power's economics. Otherwise, it was quite a show. Mr. Browne and Co. masquerade as environmentalists, pushing what they describe as environmental justice. But their agenda would deny Americans, especially the poorest Americans, access to one of the cleanest, most secure and economically stable sources of energy available today.
