There has been some discussion just how efficient so called "White"=20
LEDs really are as replacements for household lighting compared to CFLs=20
(which often have inflated claims of brightness and life in retail) or=20
Florescent tubes.

http://www.theregister.co.uk/2010/08/25/led_save_energy_not/

<< Federal boffins in the States say that the brave new future in which=20
today's 'leccy-guzzling lights are replaced by efficient LEDs may not,=20
in fact, usher in massive energy savings. >>

This assumes that LEDs actually DO give energy saving for same light output=
..

Yet there may be no energy saving!

Their conclusion studying 300 years worth of lighting is that as the=20
cost reduces we light more. So don't save energy.

--=20
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