{"abstract":"The Environmental Protection Agency (EPA) is approving and incorporating by reference into the Oregon State Implementation Plan (SIP) the revisions submitted by the Oregon Department of Environmental Quality (ODEQ) on April 3, 2025. The SIP revision updates rules for the Vehicle Inspection Program (VIP) which is applicable in the Portland and Medford areas, and includes a demonstration that the requested revisions will not interfere with attainment or maintenance of any national ambient air quality standard (NAAQS) or with any other applicable requirement of the Clean Air Act (CAA or Act). The EPA is approving these revisions because they meet the applicable requirements of the CAA.","action":"Final rule.","agencies":[{"raw_name":"ENVIRONMENTAL PROTECTION AGENCY","name":"Environmental Protection Agency","id":145,"url":"https://www.federalregister.gov/agencies/environmental-protection-agency","json_url":"https://www.federalregister.gov/api/v1/agencies/145","parent_id":null,"slug":"environmental-protection-agency"}],"body_html_url":"https://www.federalregister.gov/documents/full_text/html/2026/04/02/2026-06388.html","cfr_references":[{"chapter":null,"citation_url":null,"part":52,"title":40}],"citation":"91 FR 16553","comment_url":null,"comments_close_on":null,"correction_of":null,"corrections":[],"dates":"This final rule is effective May 4, 2026.","disposition_notes":null,"docket_ids":["EPA-R10-OAR-2025-0181","FRL-12873-02-R10"],"dockets":[{"supporting_documents":[{"title":"Adequacy Status of the Cleveland/Akron, Ohio and the Columbus, Ohio Submitted 8-Hour Ozone Redesignation and Maintenance Plans for Transportation Conformity Purposes","document_id":"EPA_FRDOC_0001-6733"},{"title":"DELETE","document_id":"EPA_FRDOC_0001-6642"},{"title":"Agency Information Collection Activities; Proposals, Submissions, and Approvals","document_id":"EPA_FRDOC_0001-6334"},{"title":"Literature Search for 2,3,7,8-Tetrachlorodibenzo-p-Dioxin(TCDD) Dose-Response Studies for Use in an Upcoming Expert Panel Workshop","document_id":"EPA_FRDOC_0001-6019"},{"title":"Regulatory Agenda Semiannual Regulatory Agenda","document_id":"EPA_FRDOC_0001-6015"},{"title":"Correction to MVEBs for the Indiana and Ohio Portions of the Cincinnati-Hamilton, Ohio/Kentucky/Indiana, Submitted 8-Hour Ozone Attainment Demonstration","document_id":"EPA_FRDOC_0001-5132"},{"title":"Pesticides; tolerances in food, animal feeds, and raw agricultural commodities: Pyriproxyfen","document_id":"EPA_FRDOC_0001-3649"}],"agency_name":"EPA","documents":[{"comment_count":0,"comment_start_date":"2026-04-02","updated_at":"2026-04-02T10:59:17.465-04:00","comment_url":"https://www.regulations.gov/commenton/EPA_FRDOC_0001-32710","allow_late_comments":false,"id":"EPA_FRDOC_0001-32710","comment_end_date":null,"regulations_dot_gov_open_for_comment":false}],"supporting_documents_count":7,"id":"EPA_FRDOC_0001","title":"Recently Posted EPA Rules and Notices from FR Feed."}],"document_number":"2026-06388","effective_on":"2026-05-04","end_page":16555,"executive_order_notes":null,"executive_order_number":null,"explanation":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2026/04/02/2026-06388.xml","html_url":"https://www.federalregister.gov/documents/2026/04/02/2026-06388/air-plan-approval-oregon-2024-vehicle-inspection-program-updates","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/2026-06388?publication_date=2026-04-02","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2026-04-02/2026-06388/mods.xml","not_received_for_publication":null,"page_length":3,"page_views":{"count":63,"last_updated":"2026-04-04 08:15:04 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2026-04-02/pdf/2026-06388.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2026-06388.pdf?1775047515","publication_date":"2026-04-02","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2026/04/02/2026-06388.txt","regulation_id_number_info":{},"regulation_id_numbers":[],"regulations_dot_gov_info":{"supporting_documents":[{"title":"Adequacy Status of the Cleveland/Akron, Ohio and the Columbus, Ohio Submitted 8-Hour Ozone Redesignation and Maintenance Plans for Transportation Conformity Purposes","document_id":"EPA_FRDOC_0001-6733"},{"title":"DELETE","document_id":"EPA_FRDOC_0001-6642"},{"title":"Agency Information Collection Activities; Proposals, Submissions, and Approvals","document_id":"EPA_FRDOC_0001-6334"},{"title":"Literature Search for 2,3,7,8-Tetrachlorodibenzo-p-Dioxin(TCDD) Dose-Response Studies for Use in an Upcoming Expert Panel Workshop","document_id":"EPA_FRDOC_0001-6019"},{"title":"Regulatory Agenda Semiannual Regulatory Agenda","document_id":"EPA_FRDOC_0001-6015"},{"title":"Correction to MVEBs for the Indiana and Ohio Portions of the Cincinnati-Hamilton, Ohio/Kentucky/Indiana, Submitted 8-Hour Ozone Attainment Demonstration","document_id":"EPA_FRDOC_0001-5132"},{"title":"Pesticides; tolerances in food, animal feeds, and raw agricultural commodities: Pyriproxyfen","document_id":"EPA_FRDOC_0001-3649"}],"comments_count":0,"agency_id":"EPA","comments_url":"https://www.regulations.gov/docketBrowser?rpp=50&so=DESC&sb=postedDate&po=0&dct=PS&D=EPA_FRDOC_0001","supporting_documents_count":7,"docket_id":"EPA_FRDOC_0001","document_id":"EPA_FRDOC_0001-32710","regulation_id_number":null,"title":"Recently Posted EPA Rules and Notices from FR Feed.","checked_regulationsdotgov_at":"2026-04-03T16:55:04Z"},"regulations_dot_gov_url":null,"significant":null,"signing_date":null,"start_page":16553,"subtype":null,"title":"Air Plan Approval; Oregon; 2024 Vehicle Inspection Program Updates","toc_doc":"Oregon; 2024 Vehicle Inspection Program Updates","toc_subject":"Air Quality State Implementation Plans; Approvals and Promulgations","topics":["Air pollution control","Carbon monoxide","Environmental protection","Incorporation by reference","Intergovernmental relations","Lead","Nitrogen dioxide","Ozone","Particulate matter","Reporting and recordkeeping requirements","Sulfur oxides","Volatile organic compounds"],"type":"Rule","volume":91}