To amend title 23, United States Code, to authorize a hydrogen powered vehicle to exceed certain weight limits on the Interstate Highway System, and for other purposes.

Cost and committee reports

Official records Congress.gov attaches to H.R. 3447.

• CBO cost estimateThe Congressional Budget Office published “H.R. 3447, a bill to amend title 23, United States Code, to authorize a hydrogen powered vehicle to exceed certain weight limits on the Interstate Highway System, and for other purposes” on July 20, 2023. CBO’s description reads “As ordered reported by the House Committee on Transportation and Infrastructure on May 23, 2023”.
  Read the CBO estimate ↗Source: Congressional Budget Office, July 20, 2023 ↗

  Evidence

  Field in the Congress.gov record

  cboCostEstimates

  CBO publication

  https://www.cbo.gov/publication/59405

  CBO publication date

  July 20, 2023

  Congress.gov bill record

  H.R. 3447, 118th Congress

  Congress.gov API record

  https://api.congress.gov/v3/bill/118/hr/3447

  Record last updated by Congress.gov

  November 18, 2025

  PORKER copy retrieved

  September 14, 2026

  Stored copy, SHA-256 of the file

  d23bbd1cb2c664e02080b22a69e8fbcab556fcfb2b99fbdf1548ef230453c522

• PORKER links to the estimate and does not repeat its dollar figures. Each estimate is for the version of the bill its description names; the bill may have changed since.

• Committee reportCongress.gov lists 1 committee report for this bill: H. Rept. 118-217 ↗. The Congress.gov committee record lists a “Reported By” entry for the Transportation and Infrastructure Committee on September 26, 2023.
  Source: Congress.gov, reported September 26, 2023 ↗

  Evidence

  Field in the Congress.gov record

  committeeReports

  Report API records

  https://api.congress.gov/v3/committee-report/118/HRPT/217

  Congress.gov bill record

  H.R. 3447, 118th Congress

  Congress.gov API record

  https://api.congress.gov/v3/bill/118/hr/3447

  Record last updated by Congress.gov

  November 18, 2025

  PORKER copy retrieved

  September 14, 2026

  Stored copy, SHA-256 of the file

  d23bbd1cb2c664e02080b22a69e8fbcab556fcfb2b99fbdf1548ef230453c522

  A committee report is the committee’s own explanation of the bill. PORKER lists it and links to it; reading it is up to you.

• Constitutional authority statementThe sponsor’s statement of where the Constitution gives Congress the power to pass this bill. Statement by Mr. STANTON, as printed in the Congressional Record (Vol. 169, No. 83, May 17, 2023, Page H2429):
  Article 1 Section 8 The single subject of this legislation is: Transportation
  Source: Congress.gov, Congressional Record May 17, 2023 ↗

  Evidence

  Field in the Congress.gov record

  constitutionalAuthorityStatementText

  Statement length

  77 characters

  Congress.gov bill record

  H.R. 3447, 118th Congress

  Congress.gov API record

  https://api.congress.gov/v3/bill/118/hr/3447

  Record last updated by Congress.gov

  November 18, 2025

  PORKER copy retrieved

  September 14, 2026

  Stored copy, SHA-256 of the file

  d23bbd1cb2c664e02080b22a69e8fbcab556fcfb2b99fbdf1548ef230453c522

  PORKER shows the statement exactly as printed, with the page markup removed. It is the sponsor’s claim; it is not a legal finding.

From the Congress.gov bill record for H.R. 3447, last updated November 18, 2025. PORKER’s copy was retrieved September 14, 2026 and is refreshed nightly. Open “Evidence” on any line for the record, field and file fingerprint.