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Regulatory documents from Regulations.gov including rules, proposed rules, notices, and supporting materials.

Data license: Public Domain (U.S. Government data) · Data source: Federal Register API & Regulations.gov API

7 rows where docket_id = "NHTSA-2025-0491" sorted by posted_date descending

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Suggested facets: subtype, posted_date, posted_month, comment_start_date, posted_date (date), comment_start_date (date), comment_end_date (date), last_modified (date)

document_type 3

  • Proposed Rule 3
  • Other 2
  • Supporting & Related Material 2

posted_year 2

  • 2025 6
  • 2026 1

agency_id 1

  • NHTSA 7
id agency_id docket_id title document_type subtype posted_date ▲ posted_year posted_month comment_start_date comment_end_date last_modified fr_doc_num open_for_comment withdrawn object_id
NHTSA-2025-0491-4837 NHTSA The Safer Affordable Fuel-Efficient (SAFE) Vehicles Rule III for Model Years 2022 to 2031 Passenger Cars and Light Trucks NHTSA-2025-0491 The Safer Affordable Fuel-Efficient Vehicles Rule III for Model Years 2022 to 2031 Passenger Cars and Light Trucks Proposed Rule Extension of Comment Period 2026-01-16T05:00:00Z 2026 1 2026-01-16T05:00:00Z 2026-02-06T04:59:59Z 2026-02-07T13:15:05Z 2026-00537 0 0 09000064b915c052
NHTSA-2025-0491-1265 NHTSA The Safer Affordable Fuel-Efficient (SAFE) Vehicles Rule III for Model Years 2022 to 2031 Passenger Cars and Light Trucks NHTSA-2025-0491 CAFE Amend- Proposed Rule-508 Compliant Other Report 2025-12-19T05:00:00Z 2025 12 2025-12-19T05:00:00Z   2025-12-20T00:37:52Z   0 0 09000064b90f8421
NHTSA-2025-0491-0163 NHTSA The Safer Affordable Fuel-Efficient (SAFE) Vehicles Rule III for Model Years 2022 to 2031 Passenger Cars and Light Trucks NHTSA-2025-0491 Hearings, Meetings, Proceedings, etc.: Corporate Average Fuel Economy Standards: The Safer Affordable Fuel-Efficient Vehicle Rule III for Model Years 2022 to 2031 Passenger Cars and Light Trucks Proposed Rule Notice of Hearing 2025-12-12T05:00:00Z 2025 12 2025-12-12T05:00:00Z   2026-01-17T13:21:28Z 2025-22674 0 0 09000064b90c8563
NHTSA-2025-0491-0088 NHTSA The Safer Affordable Fuel-Efficient (SAFE) Vehicles Rule III for Model Years 2022 to 2031 Passenger Cars and Light Trucks NHTSA-2025-0491 Non-Copyrighted References Supporting & Related Material Supplement 2025-12-08T05:00:00Z 2025 12     2025-12-08T23:11:08Z   0 0 09000064b90b66d2
NHTSA-2025-0491-0007 NHTSA The Safer Affordable Fuel-Efficient (SAFE) Vehicles Rule III for Model Years 2022 to 2031 Passenger Cars and Light Trucks NHTSA-2025-0491 CAFE Amend- Proposed Rule Other Report 2025-12-05T05:00:00Z 2025 12 2025-12-05T05:00:00Z   2025-12-06T01:03:45Z   0 0 09000064b90b0dac
NHTSA-2025-0491-0008 NHTSA The Safer Affordable Fuel-Efficient (SAFE) Vehicles Rule III for Model Years 2022 to 2031 Passenger Cars and Light Trucks NHTSA-2025-0491 CAFE Memorandum and other documents Supporting & Related Material Supplement 2025-12-05T05:00:00Z 2025 12     2025-12-06T01:05:11Z   0 0 09000064b90b0394
NHTSA-2025-0491-0001 NHTSA The Safer Affordable Fuel-Efficient (SAFE) Vehicles Rule III for Model Years 2022 to 2031 Passenger Cars and Light Trucks NHTSA-2025-0491 Safer Affordable Fuel-Efficient Vehicles Rule III for Model Years 2022 to 2031 Passenger Cars and Light Trucks Proposed Rule Notice of Proposed Rulemaking (NPRM) 2025-12-05T05:00:00Z 2025 12 2025-12-05T05:00:00Z 2026-01-21T04:59:59Z 2026-01-24T13:17:30Z 2025-22014 0 0 09000064b90b0612

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CREATE TABLE documents (
    id TEXT PRIMARY KEY,
    agency_id TEXT,
    docket_id TEXT REFERENCES dockets(id),
    title TEXT,
    document_type TEXT,
    subtype TEXT,
    posted_date TEXT,
    posted_year INTEGER,
    posted_month INTEGER,
    comment_start_date TEXT,
    comment_end_date TEXT,
    last_modified TEXT,
    fr_doc_num TEXT,
    open_for_comment INTEGER,
    withdrawn INTEGER,
    object_id TEXT
);
CREATE INDEX idx_docs_agency ON documents(agency_id);
CREATE INDEX idx_docs_docket ON documents(docket_id);
CREATE INDEX idx_docs_date ON documents(posted_date);
CREATE INDEX idx_docs_year ON documents(posted_year);
CREATE INDEX idx_docs_type ON documents(document_type);
CREATE INDEX idx_docs_frnum ON documents(fr_doc_num);
CREATE INDEX idx_docs_comment_end ON documents(comment_end_date) WHERE comment_end_date IS NOT NULL AND withdrawn = 0;
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