There are an estimated 12 billion light bulbs on the planet.
Of this 12 billion the United States represents one third of the world's market
In 2010 Incandescent lighting accounted for 45% of lightbulbs in use. While LED bulbs accounted for less than 2%.
Incandescent light bulbs operate at an efficiency level of less than 3%. With most energy being converted to heat. While Compact Fluorescent bulbs operate around 80% efficiency and LED bulbs push up to 90% energy efficiency.
The energy efficiency lost by the use of incandscent bulbs adds up over time. For the consumer and for the planet.
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