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View Diary: Obama Admin to Citigroup: "No Plane for You!"(UPDATED X3) (347 comments)

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  •  That is absolutely and completely wrong. (3+ / 0-)
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    Val, boadicea, catfood

    You should not repeat this falsehood.  I'm certain that you believe it to be an energy-saving truth, but it isn't true.  I swear this to you.

    A fluorescent light of any kind - tube, circline, compact fluorescent, etc. uses energy while it is on and no energy while it is off.  The energy required to re-strike the arc is so absolutely minimal as to be virtually negligible.  Turning a fluorescent light of for 1 minute and then back on will save energy.

    Now, there is the property of fluorescent lighting being a bit less bright when first turned on after a long period of inoperation (more than an hour), but unless the room temperature is below 40F, this is overcome within a couple of minutes.  In cold temps (below 32F), this may take as much as 10 minutes.  But, even the time the bulb takes to recover to full brightness takes no more energy than the tube would normally use anyway and the extra 2 minutes (or even 10 minutes in cold temps) takes a helluva lot less energy than leaving the lights burning at full energy use for 12 to 16 hours a day extra.

    There was even an episode of "Mythbusters" which covered this, and this myth was certainly busted.

    Shut 'em off, people!  Save yourselves some money and the extra carbon dioxide you'd have to breathe if you leave 'em on.

    Celtic Merlin

    Sorry I couldn't take your call. I'm using my cell phone to make pancakes. Please leave a message.

    by Celtic Merlin on Tue Jan 27, 2009 at 11:54:06 AM PST

    [ Parent ]

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