Concentration of CO2 in the Atmosphere

DOE Publishes a Supplemental Notice of Proposed Rulemaking, Request for Comment, and Notice of Public Webinar Pertaining to Standards for Manufactured Housing

The U.S. Department of Energy (DOE) has published a Federal Register supplemental notice of proposed rulemaking (SNOPR) to establish energy conservation standards for manufactured housing pursuant to the Energy Independence and Security Act of 2007 (EISA). EISA directs DOE to base the standards on  the latest version of the International Energy Conservation Code (IECC), which is currently the 2021 version.  DOE also considered comments received during interagency consultation with the U.S. Department of Housing and Urban Development, as well as from stakeholders.  DOE’s proposal includes a set of “tiered” standards based on the manufacturer’s retail list price for the manufactured home and incorporates the 2021 IECC-based standards for manufactured homes as required by EISA.  DOE estimates the energy savings from the proposed rule to reach 2.32 quads over 30 years, which amounts to a reduction of 109 million metric tons of carbon dioxide emissions.  DOE is welcoming comments from stakeholders on its proposed rule during the open comment period as well as at the public webinar.

  • DOE will accept comments, data, and information regarding this SNOPR until October 25, 2021.
  • Interested persons may submit comments identified by docket number EERE-2009-BT-STD-0021, by email ( or Federal eRulemaking portal (
  • DOE will also hold a webinar to gather input from interested parties on Tuesday, September 28, 2021, from 11:00 a.m.  to 4:00 p.m.
  • Click here to register for the webinar.
  • Foreign Nationals interested in participating in this webinar, must be screened by DOE Headquarters Security prior to being granted access. Please email to complete the necessary documentation at least two weeks prior to scheduled meeting date.
  • Additional webinar registration information, participant instructions, and information about the capabilities available to webinar participants will be published on DOE’s website:
  • To find out more information on the manufactured housing rulemaking, please visit:  Manufactured Housing.

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