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Federal Register / Vol. 86, No. 193 / Friday, October 8, 2021 / Rules and Regulations New York filed a petition for review of the December 2020 Final Rule in the Second Circuit. Shortly thereafter, two other groups of petitioners filed petitions for review of the December 2020 Final Rule. The Alliance for Water Efficiency, the U.S. Public Interest Research Group, and Environment America filed a petition for review of that final rule in the Seventh Circuit on January 17, 2021, and the Sierra Club filed a petition for review of that final rule in the Ninth Circuit on February 12, 2021. After transfer of the Seventh and Ninth Circuit petitions for review, all three cases were consolidated in the Second Circuit. Briefing on the merits is currently stayed through October 1, 2021, while DOE reviews the December 2020 Final Rule. Additionally, on April 2, 2021, AHAM petitioned DOE to reconsider the December 2020 Final Rule that established and amended standards for short-cycle residential clothes washers and dryers.49 In its petition AHAM requested that DOE
withdraw the December 2020 Final Rule. Id. at p. 19
DOE is re-evaluating the analysis in the short-cycle product class determination pursuant to Executive Order 13990, Protecting Public Health and the Environment and Restoring Science to Tackle the Climate Crisis. In light of the on-going review, DOE is not adopting reporting requirements for cycle time in this final rule.

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E. Formatting Changes and Typographical Errors To improve the readability of the text in certain sections of appendix D1 and appendix D2, DOE is making minor typographical corrections and formatting modifications as discussed in the following paragraphs. These minor modifications do not change the substance of the test methods and do not impact the measured energy use.
1. Conventional and Vented Nomenclature Previously, appendix D1 and appendix D2 defined the term conventional clothes dryer as a clothes dryer that exhausts the evaporated moisture from the cabinet.
Appendix D1, section 1.7; appendix D2, section 1.8. This definition is synonymous with a vented clothes dryer. Conversely, ventless clothes dryer is defined as a clothes dryer that uses a closed-loop system with an internal condenser to remove the evaporated moisture from the heated air.
Appendix D1, section 1.19; appendix 49 EERE2020BTSTD00010048,
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D2, section 1.21. The moist air is not discharged from the cabinet. Id.
The product classes in DOE clothes dryer energy conservation standards use the terms vented and ventless to refer to the different methods used by the clothes dryer to remove moisture from the cabinet. 10 CFR 430.32h3.
To provide consistency between these product classes and the terminology used in the clothes dryer test procedures, DOE is replacing the word conventional with vented throughout both appendix D1 and appendix D2. This change affects the nomenclature only and does not affect the classification of clothes dryers or conduct of the test procedure for any clothes dryers.
2. Symbol Definitions Previously, appendix D1 and appendix D2 included inconsistent use of symbol definitions for the measured bone-dry weight and moisture content values. DOE is adding the symbol definition for bone-dry weight Wbonedry to section 3.4.1 of both appendices, where it is first referenced. DOE is changing the symbol definitions for moisture content of the wet test load previously Ww and moisture content of the dry test load previously Wd to IMC
and FMC, respectively, to better differentiate these percentage values from Wbonedry, which is a weight value.
See section 4.1 of both appendix D1 and appendix D2. Similarly, DOE is also adding the symbol definitions IMC and FMC to section 3.4.2 and section 3.4.3, respectively, where these values are first referenced in both appendix D1 and appendix D2. DOE is also updating the symbols used throughout section 4 of both appendices in each calculation in which these terms are used. The additions and revisions of these symbol definitions will more readily provide an understanding of the measured values associated with each of these symbols, as well as improve the readability of subsequent sections of the test procedures where these symbols are referenced.
3. Removal of Duplicate Instructions for Test Load Preparation Section 2.7.1 and section 2.7.2 of both appendix D1 and appendix D2 provide instructions for preparing a compactsize clothes dryer load and a standardsize clothes dryer load, respectively.
Each section previously specified the required load weight and then provided the same instructions for preparing a damp test load before loading. DOE is restructuring section 2.7.1 and section 2.7.2 in each appendix to remove this duplication. For both appendices, the
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revised section 2.7.1 includes a table specifying the required test loads for standard-size and compact-size clothes dryers, in addition to the requirement that each test load must consist of energy test cloths and no more than five energy stuffer cloths. For both appendices, the revised section 2.7.2
provides the procedure for dampening the test load. These amendments do not change the conduct of the test procedure for either appendix D1 or appendix D2
but improve readability of the test procedures.
4. Typographical Errors In this final rule, DOE is correcting the following typographical errors in appendix D1 and appendix D2:
Section 1.5 and section 2.6 of appendix D1 and section 1.6, section 2.7.1, and section 2.7.2 of appendix D2
used the term test clothes, where test cloths should have been used instead.
Section 1.16 of appendix D2 misspelled the term classification in the definition of off mode.
Section 2.4.1 of both appendix D1 and appendix D2 contained section numbering errors. Previously, section 2.4.1 was titled Weighing scale for test cloth and included specifications for the scale used to weigh the test loads, and the section that followed was incorrectly numbered as section 2.4.1.2
Weighing scale for drum capacity measurements. DOE is correcting this in both appendix D1 and appendix D2 by inserting a new title, section 2.4.1
Weighing scales, and renumbering existing section 2.4.1 Weighing scale for test cloth as section 2.4.1.1.
The calculation of the total per-cycle electric clothes dryer energy consumption in section 4.1 of appendix D1 referenced an undefined symbol Ett, which should instead have been Et, the total energy consumed during the test cycle as recorded in section 3.4.5 of appendix D1. The word for was also missing from the wording of the description of the 1.04 field use factor in section 4.1 of appendix D1.
In addition, section 4.3 of both appendix D1 and appendix D2
referenced the symbol Ege, which should instead have been Egg, the calculated gas clothes dryer gas energy consumption per cycle.
5. Removal of Obsolete Provisions Section 1.14 of appendix D1 and section 1.15 of appendix D2 provided a definition for moisture sensing control; 50 similarly, section 1.18 of 50 Moisture sensing control is defined as a system which utilizes a moisture sensing element
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