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The Consumer Intelligence Test Saving the Earth via Choice of Light Bulb.

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Presentation on theme: "The Consumer Intelligence Test Saving the Earth via Choice of Light Bulb."— Presentation transcript:

1 The Consumer Intelligence Test Saving the Earth via Choice of Light Bulb

2 The Evil Incandescent Bulb 100 Watts 100 Watts 1000 hour Lifetime 1000 hour Lifetime Initial cost = 0.75$ Initial cost = 0.75$ Energy Cost = 10 cents per KWH Energy Cost = 10 cents per KWH Energy usage over lifetime = 100 Watts x 1000 hours = 100 KWH Energy usage over lifetime = 100 Watts x 1000 hours = 100 KWH Total Cost of Ownership = 0.75 + 0.1$ x 100 = $10.75 Total Cost of Ownership = 0.75 + 0.1$ x 100 = $10.75

3 1000 Hours Later Get in your Internal Combustion Vehicle and drive back to the light bulb store to get another

4 The Consumer Paradox Communist Fluorescent Bulb 10,000 hour lifetime 20 Watts for same Luminosity $5.00 initial cost (now cheaper in many stores) What, 5 bucks for a friggin’ light bulb, besides it looks funny (e.g. it’s a communist plot)

5 Thinking it through Total energy used over lifetime = 10,000 hours x 20 watts = 200 KWH Total cost = $5 + 200KWH x.1$ = 25$ The equivalent cost of buying 10 incands (not counting gas) is 10 x 10.75 = $107.50

6 So What the Hell are you Doing?  If you had plunked down 5 bucks to begin with you would have saved $82.50 over this 10,000 hour period (about 3 years) and this is just for one light bulb!  Multiply this by 20 light bulbs per house and you save $1600 plus 16000 KWHs of energy.  Like, Duh


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