{"abstract":"This action adopts standards for measuring non-volatile particulate matter (nvPM) exhaust emissions from aircraft engines. With this rulemaking, the FAA implements the nvPM emissions standards adopted by the Environmental Protection Agency (EPA), allowing manufacturers to certificate engines to the new nvPM emissions standards in the United States, and fulfilling the statutory obligations of the FAA under the Clean Air Act.","action":"Final rule; request for comments.","agencies":[{"raw_name":"DEPARTMENT OF TRANSPORTATION","name":"Transportation Department","id":492,"url":"https://www.federalregister.gov/agencies/transportation-department","json_url":"https://www.federalregister.gov/api/v1/agencies/492","parent_id":null,"slug":"transportation-department"},{"raw_name":"Federal Aviation Administration","name":"Federal Aviation Administration","id":159,"url":"https://www.federalregister.gov/agencies/federal-aviation-administration","json_url":"https://www.federalregister.gov/api/v1/agencies/159","parent_id":492,"slug":"federal-aviation-administration"}],"body_html_url":"https://www.federalregister.gov/documents/full_text/html/2024/04/24/2024-08453.html","cfr_references":[{"chapter":null,"citation_url":null,"part":"34","title":14}],"citation":"89 FR 31078","comment_url":"http://www.regulations.gov/commenton/FAA-2023-2434-0001","comments_close_on":null,"correction_of":null,"corrections":[],"dates":"This rule is effective May 24, 2024.","disposition_notes":null,"docket_ids":["Docket No.: FAA-2023-2434","Amdt. No. 34-7"],"dockets":[{"supporting_documents":[{"title":"U.S. DOT/FAA - Supplemental Documents","document_id":"FAA-2023-2434-0008"},{"title":"U.S. DOT/FAA - Advisory Circular 34-1C re: 14 CFR Part 34 - Fuel Venting and Exhaust Emission Requirements for Turbine Engine Powered Airplanes (April 24, 2024)","document_id":"FAA-2023-2434-0007"},{"title":"U.S. DOT/FAA - Advisory Circular: AC34-IC Fuel Venting and Exhaust Mission Requirements for Turbine Engine Powered Airplanes","document_id":"FAA-2023-2434-0004"}],"agency_name":"FAA","documents":[{"comment_count":6,"comment_start_date":"2024-04-24","updated_at":"2025-09-03T01:56:24.801-04:00","comment_url":"https://www.regulations.gov/commenton/FAA-2023-2434-0001","allow_late_comments":true,"id":"FAA-2023-2434-0001","comment_end_date":null,"regulations_dot_gov_open_for_comment":true}],"supporting_documents_count":3,"id":"FAA-2023-2434","title":"Control of Non-Volatile Particulate Matter (nvPM) From Aircraft Engines: Emission Standards and Test Procedures"}],"document_number":"2024-08453","effective_on":"2024-05-24","end_page":31090,"executive_order_notes":null,"executive_order_number":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2024/04/24/2024-08453.xml","html_url":"https://www.federalregister.gov/documents/2024/04/24/2024-08453/control-of-non-volatile-particulate-matter-from-aircraft-engines-emission-standards-and-test","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/2024-08453?publication_date=2024-04-24","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2024-04-24/2024-08453/mods.xml","not_received_for_publication":null,"page_length":13,"page_views":{"count":1080,"last_updated":"2026-08-23 22:15:04 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2024-04-24/pdf/2024-08453.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2024-08453.pdf?1713876315","publication_date":"2024-04-24","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2024/04/24/2024-08453.txt","regulation_id_number_info":{"2120-AL83":{"issue":"202310","html_url":"https://www.federalregister.gov/regulations/2120-AL83/control-of-non-volatile-particulate-matter-nvpm-from-aircraft-engines-emission-standards-and-test-pr","title":"Control of Non-Volatile Particulate Matter (nvPM) From Aircraft Engines: Emission Standards and Test Procedures ","xml_url":"http://www.reginfo.gov/public/do/eAgendaViewRule?pubId=202310&RIN=2120-AL83&operation=OPERATION_EXPORT_XML","priority_category":"Substantive, Nonsignificant"}},"regulation_id_numbers":["2120-AL83"],"regulations_dot_gov_info":{"supporting_documents":[{"title":"U.S. DOT/FAA - Supplemental Documents","document_id":"FAA-2023-2434-0008"},{"title":"U.S. DOT/FAA - Advisory Circular 34-1C re: 14 CFR Part 34 - Fuel Venting and Exhaust Emission Requirements for Turbine Engine Powered Airplanes (April 24, 2024)","document_id":"FAA-2023-2434-0007"},{"title":"U.S. DOT/FAA - Advisory Circular: AC34-IC Fuel Venting and Exhaust Mission Requirements for Turbine Engine Powered Airplanes","document_id":"FAA-2023-2434-0004"}],"regulatory_plan":{"html_url":"https://www.federalregister.gov/regulations/2120-AL83/control-of-non-volatile-particulate-matter-nvpm-from-aircraft-engines-emission-standards-and-test-pr","title":"Control of Non-Volatile Particulate Matter (nvPM) From Aircraft Engines: Emission Standards and Test Procedures "},"comments_count":6,"agency_id":"FAA","comments_url":"https://www.regulations.gov/docketBrowser?rpp=50&so=DESC&sb=postedDate&po=0&dct=PS&D=FAA-2023-2434","supporting_documents_count":3,"docket_id":"FAA-2023-2434","document_id":"FAA-2023-2434-0001","regulation_id_number":"2120-AL83","title":"Control of Non-Volatile Particulate Matter (nvPM) From Aircraft Engines: Emission Standards and Test Procedures","checked_regulationsdotgov_at":"2025-09-04T08:55:03Z"},"regulations_dot_gov_url":"http://www.regulations.gov/commenton/FAA-2023-2434-0001","significant":false,"signing_date":null,"start_page":31078,"subtype":null,"title":"Control of Non-Volatile Particulate Matter From Aircraft Engines: Emission Standards and Test Procedures","toc_doc":"Emission Standards and Test Procedures","toc_subject":"Control of Non-Volatile Particulate Matter from Aircraft Engines:\n","topics":["Air pollution control","Aircraft","Aviation safety","Incorporation by reference","Reporting and recordkeeping requirements"],"type":"Rule","volume":89}