light emitting diode: LED Christmas Lights...My Personal Pros and Cons - 12/13/08 05:12 AM
LED (light emitting diode) Christmas lights are the newest thing when it comes to Christmas lights due to their energy saving features and long bulb life. They are brighter than incandescent bulbs, use up to 75% less energy than incandescent bulbs, last up to 10 times longer than incandescent bulbs, and they come in all shapes and sizes, just like incandescent bulbs. 
     
According to the EnergyStar.gov website: If all decorative light strings sold in America this year were ENERGY STAR qualified, we would save over 2 billion kWh per year and reduce greenhouse gas emissions equivalent to nearly … (2 comments)