Green Room

Green Room

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In addition to his blog, Mr. Green also publishes a quarterly newsletter to help engineers stay on top of the constantly-changing world of power supply standards. Topics include: changes in current efficiency programs, movement of proposed specs, and finalization and publication of new regulations.

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Regulations from Around the Globe

For listings of current regulations for power consumption and efficiency and links to agency websites around the world, see our Regulations by Agency pages.

Mr. Green's Blog

Interested in energy efficiency standards, regulations, and other green matters? Read about the latest news and developments in the world of energy efficiency in Mr. Green's blog.

Proposed Recognition Criteria for ENERGY STAR Most Efficient 2021

On July 15, the U.S. Environmental Protection Agency (EPA) hosted a webinar to propose recognition criteria across product categories for the ENERGY STAR® Most Efficient (ESME) 2021.  As an extension of the ENERGY STAR brand and in what will be its eleventh year, the Most Efficient label recognizes the most efficient products among those qualifying for ENERGY STAR.

DOE Reviews Energy Conservation Standards for External Power Supplies

The U.S. Department of Energy (DOE) is examining current energy conservation standards for External Power Supplies (EPS). As defined in the Code of Federal Regulations (CFR), an “external power supply” is an external power supply circuit that is used to convert household electric current into DC...