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Senate roll call 564 · 93rd Congress · Dec 17, 1973

To amend S. 2772, the proposed clean air act amendments of 1973, by substituting a bill to extend the 1975 interim auto emission standards for 2 years.

On Dec 17, 1973, the Senate voted 19–67 (S 2772). Result: failed. By party: Democrats 4–43, Republicans 14–25, Others 0–1, Independents 1–0. It was a bipartisan vote: majorities of both parties voted no. 18 members voted against their own party.

During the 93rd Congress (1973–1974), Richard Nixon was president, and Democrats held majorities in both the House and Senate.

Yes
19
No
67
Did not vote
14
Date
Dec 17, 1973

By party

  • Democrats4 yes · 43 no · 10 didn’t vote
  • Republicans14 yes · 25 no · 4 didn’t vote
  • Others0 yes · 1 no
  • Independents1 yes · 0 no

Who broke with their party

How each senator voted: Yes

How each senator voted: No

Did not vote

Other votes

From Voteview roll call records.

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Capitol Receipts, “To amend S. 2772, the proposed clean air act…: Senate Vote, Dec 17…,” https://www.capitolreceipts.com/vote/93-S-564/to-amend-s-2772-the-proposed-clean-air-act (accessed 2026-10-17).