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The L-Prize competition was designed to spur development of LED light replacements for 60W incandescent lamps and PAR38 halogen lamps as well as an ultra-efficient "21st Century Lamp". [1] It was established by the United States Department of Energy (DOE) as directed by the Energy Independence and Security Act of 2007. The original competition ...
The replacement is expected to reduce the lighting-related energy used at these branches by 50 percent. [12] For the 2016 Summer Olympics in Rio de Janeiro, Current provided 200,000 energy-efficient lights at more than 40 Olympic venues (over 46 million square feet in total), reducing 50 percent of the energy costs. [13]
Luminous efficacy can be normalized by the maximum possible luminous efficacy to a dimensionless quantity called luminous efficiency.The distinction between efficacy and efficiency is not always carefully maintained in published sources, so it is not uncommon to see "efficiencies" expressed in lumens per watt, or "efficacies" expressed as a percentage.
Objections to replacement of incandescent lamps for general lighting mainly include the higher purchasing expense of alternative light bulbs. To mitigate the cost effects of these concerns, various programs have been put into place, ranging from subsidies for lamps, to improved standards for measurement of performance and for labeling of products.
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According to the 2015-2020 Dietary Guidelines for Americans, no more than 10 percent of your daily caloric intake should come from added sugars (so, 200 calories or 50 grams of sugar per day on a ...
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