Household appliances
posted by rebekah .
Do you guys know of any websites that talk about the efficienty of household appliances and how it has changed over the years?
Thanks

Since this is not my area of expertise, I searched Google under the key words "household appliance efficiency change" to get these possible sources:
http://www.google.com/search?client=safari&rls=en&q=household+appliance+efficiency+change&ie=UTF8&oe=UTF8
In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search. Also see http://hanlib.sou.edu/searchtools/.
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