I just received an e-mail from a vendor about new efficiency requirements for adapter power supplies. The new requirements are part of Energy Independence and Security Act (EISA) of 2007.
Many consumer electronics products use a wall adapter to convert the high voltage AC that comes from a power outlet into something the product can use. These are almost always optimized for low cost and not for efficiency.
I am glad to see the government has made a good decision on a somewhat esoteric issue.
It's one of many tiny steps necessary to increase efficiency so that we can meet the difficult goal of increasing GDP while decreasing carbon emissions.
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