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  2. Rural electrification - Wikipedia

    en.wikipedia.org/wiki/Rural_electrification

    In the early 1990s the average use of power in the countryside amounted to the equivalent of a 60W light bulb switched on for less than 30 minutes a day. [ 33 ] China launched the China Township Electrification Program in 2001 to provide renewable electricity to 1,000 townships, one of the largest of such programs in the world.

  3. L Prize - Wikipedia

    en.wikipedia.org/wiki/L_Prize

    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 ...

  4. LED lamp - Wikipedia

    en.wikipedia.org/wiki/LED_lamp

    A 230-volt LED filament lamp, with an E27 base. The filaments are visible as the eight yellow vertical lines. An assortment of LED lamps commercially available in 2010: floodlight fixtures (left), reading light (center), household lamps (center right and bottom), and low-power accent light (right) applications An 80W Chips on board (COB) LED module from an industrial light luminaire, thermally ...

  5. Phase-out of incandescent light bulbs - Wikipedia

    en.wikipedia.org/wiki/Phase-out_of_incandescent...

    The phase out has been referred to as "light bulb socialism". [128] The consumer preference for light bulbs in the EU was for incandescent bulbs, with many complaining at the time of the regulation's adoption about what was described as the ugliness [129] or the cold, flat, unnatural, dull light emanating from CFLs.

  6. Incandescent light bulb - Wikipedia

    en.wikipedia.org/wiki/Incandescent_light_bulb

    The 1902 tantalum filament light bulb was the first one to have a metal filament. This one is from 1908. Early bulbs were laboriously assembled by hand. After automatic machinery was developed, the cost of bulbs fell.

  7. United States lighting energy policy - Wikipedia

    en.wikipedia.org/wiki/United_States_lighting...

    The Light Bulb Freedom of Choice Act, or H.R. 849 (introduced 3/1/2011), also amends provisions from the EISA 2007, but is less restricting than H.R. 91. These provisions concern energy efficiency standards for general service incandescent lamps, rough service lamps, and other designated lamps, as well as incandescent reflector lamps.