"By turning off your computer instead of leaving it in sleep mode, you can save 40 watt-hours per day. That adds up to 4 cents a day or $14 per year. If you don't want to wait for your computer to start up, set it to turn on automatically a few minutes before you get to work or boot up while you're pouring your morning cup 'o joe."
From "50 Ways to Save the Planet"
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