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Federal Register / Vol. 86, No. 122 / Tuesday, June 29, 2021 / Proposed Rules
significant environmental impacts nor significant economic impacts for any sector.
DATES:

lotter on DSK11XQN23PROD with PROPOSALS1

Comments: Comments must be received on or before August 30, 2021.
Public Hearing: If anyone contacts us requesting a public hearing on or before July 6, 2021, we will hold an online hearing at 10 a.m. Eastern Standard Time on July 14, 2021.
ADDRESSES:
Comments: Submit your comments, identified by Docket ID No. EPAHQ
OAR20190307, at http
www.regulations.gov. For detailed instructions on sending comments and additional information on the rulemaking process, see the Public Participation section of this document.
Docket: EPA has established a docket for this action under Docket ID No.
EPAHQOAR20190307. Publicly available docket materials are available either electronically at http
www.regulations.gov or in hard copy at Air and Radiation Docket and Information Center, EPA Docket Center, EPA/DC, EPA WJC West Building, 1301
Constitution Ave. NW, Room 3334, Washington, DC. Out of an abundance of caution for members of the public and our staff, the EPA Docket Center and Reading Room was closed to public visitors on March 31, 2020, to reduce the risk of transmitting COVID19. Our Docket Center staff will continue to provide remote customer service via email, phone, and webform. We encourage the public to submit comments via https
www.regulations.gov or email, as there is a temporary suspension of mail delivery to EPA, and no hand deliveries are currently accepted. For further information on EPA Docket Center services and the current status, please visit us online at https www.epa.gov/
dockets.
Public Hearing: Individuals are invited to notify EPA of interest in a public hearing; see FOR FURTHER
INFORMATION CONTACT.

Public Participation: Comments: All submissions received must include the Docket ID No. EPAHQOAR2019
0307 for this rulemaking. Follow the online instructions for submitting comments. Once submitted, comments received may be posted without change to https www.regulations.gov/, including any personal information provided, and cannot be edited or removed from Regulations.gov. The EPA
may publish any comment received to its public docket. Do not submit electronically any information you consider to be Confidential Business Information CBI or other information whose disclosure is restricted by statute.
Multimedia submissions audio, video, etc. must be accompanied by a written comment. The written comment is considered the official comment and should include discussion of all points you wish to make. The EPA will generally not consider comments or comment contents located outside of the primary submission i.e., on the web, cloud, or other file sharing system. For additional submission methods, the full EPA public comment policy, information about CBI or multimedia submissions, and general guidance on making effective comments, please visit http www2.epa.gov/dockets/
commenting-epa-dockets.
Out of an abundance of caution for members of the public and our staff, the EPA Docket Center and Reading Room was closed to public visitors on March 31, 2020, to reduce the risk of transmitting COVID19. Our Docket Center staff will continue to provide remote customer service via email, phone, and webform. We encourage the public to submit comments via https
www.regulations.gov or email, as there is a temporary suspension of mail delivery to EPA, and no hand deliveries are currently accepted. For further information on EPA Docket Center services and the current status, please visit us online at https www.epa.gov/.
EPA continues to carefully and continuously monitor information from the Centers for Disease Control and
Prevention, local area health departments, and our Federal partners so we can respond rapidly as conditions change regarding COVID19.
Docket: All documents in the docket are listed on the www.regulations.gov website. Although listed in the index, some information is not publicly available, e.g., CBI or other information whose disclosure is restricted by statute.
Certain other material, such as copyrighted material, is not placed on the internet and will be publicly available only in hard copy form through the EPA Docket Center at the location listed in the ADDRESSES section of this document.
Public Hearing: If we hold a public hearing, we will announce detailed information about the hearing on our website https www.epa.gov/
regulations-emissions-vehicles-andengines/supplemental-ruleimprovements-heavy-duty-engine-and.
Send requests for a hearing and questions about the status of a hearing to the contact identified in FOR FURTHER
INFORMATION CONTACT.
FOR FURTHER INFORMATION CONTACT:
Amy Kopin, Office of Transportation and Air Quality, Assessment and Standards Division, Environmental Protection Agency, 2000 Traverwood Drive, Ann Arbor, MI 48105; telephone number: 734 2144173; email address:
kopin.amy@epa.gov.
SUPPLEMENTARY INFORMATION:
Table of Contents I. General Information II. Greenhouse Gas Emissions Model GEM
Background III. Proposed Updates to GEM
IV. Statutory Authority and Executive Order Reviews
I. General Information Does this action apply to me?
This action relates to companies that manufacture or sell new heavy-duty engines and vehicles as defined under EPAs CAA regulations.1 Regulated categories and entities include the following:

NAICS codes A

NAICS titles
Examples of potentially regulated entities
333618, 336111, 336112, 336120, 336211, 336999.

Other Engine Equipment Manufacturing, Automobile Manufacturing, Light Truck and Utility Vehicle Manufacturing, Heavy Duty Truck Manufacturing, Motor Vehicle Body Manufacturing, All Other Transportation Equipment Manufacturing.

Motor vehicle manufacturers and engine manufacturers.

A North
American Industry Classification System NAICS.

1 Heavy-duty engine and heavy-duty vehicle are defined in 40 CFR 1037.801.

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