Saving money and energy is as easy as changing a lightbulb. A normal incandescent lightbulb uses 40- to 60-watts of electricity. Just imagine how much energy you can save by replacing those energy-hog bulbs with a 2- to 4-watt LED bulb or a 9- to 25-watt compact fluorescent bulb! With CFLs at prices as low as $4 a lightbulb, the choice is clear.
