A simple step of replacing an incandescent light bulb with a compact florescent bulb reduces electric bills by $67 over the life of the bulb and will save 400 pounds of coal from being burned.
(A simple step of replacing an incandescent light bulb with a compact florescent bulb; reduces; electric bills; by $67 over the life of the bulb)
A simple step of replacing an incandescent light bulb with a compact florescent bulb
reduces
electric bills by $67 over the life of the bulb