Number of the Day: 200
by Michael Graham Richard, Ottawa, Canada 
on 05.16.08
200 -- amount of terawatt-hours saved annually by the gradual switch to more efficient refrigerators in the USA (see chart above).
80 -- roughly the number of extra power plants that the USA would need without these efficiency improvements.
7 -- that's the percentage of GDP that is spent on energy in the USA. Energy intensity per unit of GDP has been decreasing about about 2% per year in the USA, and about 1.5% per year overall on the planet.
The source of these numbers and more can be found in this very interesting article about energy efficiency: ::The elusive negawatt
Thirsty for more? Check out these related articles:
- Ed Begley, Jr. Tackles Eco-Friendly Privacy Fences, Inexpensive Hot Water Heaters, and More
- Living With Ed Episode: Look Into the Future
- Could Strength Training be the Most Energy-Efficient Exercise of All?
- Electricity Monitoring at Home Saves Energy on Gadget Use
- 5 Green Improvements That Will Add Value to Your Home
- One State Consumes Half the Energy Per Capita of the Other 49--Guess Who?
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