Environmental Protection Agency
This final rule includes corrections, clarifications, additional flexibilities, and adjustment factors to improve the Greenhouse gas Emissions Model (GEM) compliance tool for heavy-duty vehicles while more closely matching the outputs produced by the original GEM version 3.0 that was used to establish the CO<INF>2</INF> standards for Model Years 2021 and later in the 2016 Heavy-duty Phase 2 final rule. Given the nature of this rule, there will be neither significant environmental impacts nor significant economic impacts.
Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Environmental Protection Agency 40 CFR Parts 1036 and 1037 [EPA-HQ-OAR-2019-0307; FRL-7423.1-01-OAR] RIN 2060-AV21 AGENCY: Environmental Protection Agency (EPA). ACTION: Final rule. SUMMARY: This final rule includes corrections, clarifications, additional flexibilities, and adjustment factors to improve the Greenhouse gas Emissions Model (GEM) compliance tool for heavy-duty vehicles while more closely matching the outputs produced by the original GEM version 3.0 that was used to establish the CO 2 standards for Model Years 2021 and later in the 2016 Heavy-duty Phase 2 final rule. Given the nature of this rule, there will be neither significant environmental impacts nor significant economic impacts. DATES: This final rule is effective on August 29, 2022. The incorporation by reference of certain publications listed in this regulation is approved by the Director of the Federal Register as of August 29, 2022. ADDRESSES: Docket: EPA has established a docket for this action under Docket ID No. EPA-HQ-OAR-2019-0307. Publicly available docket materials are available either electronically at 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. Certain material, such as copyrighted material, is not placed on the internet and will be publicly available only at the EPA Docket Center. For further information on EPA Docket Center services and the curre…
Other Federal Register documents from the same docket.
Improvements for Heavy-Duty Engine and Vehicle Test Procedures, and Other Technical Amendments
Improvements for Heavy-Duty Engine and Vehicle Test Procedures, and Other Technical Amendments
Improvements for Heavy-Duty Engine and Vehicle Test Procedures, and Other Technical Amendments
Improvements for Heavy-Duty Engine and Vehicle Test Procedures
Improvements for Heavy-Duty Engine and Vehicle Test Procedures, and Other Technical Amendments
Citation: 87 FR 45257
