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Cynthia M. Lummis
U.S. Senator, Wyoming
127A Russell Senate Office Building Washington, DC 20510
Summary
Republican Senator from Wyoming serving since 2025. Has sponsored 241 pieces of legislation.
Views on the Issues
See where Senator Lummis stands — alongside Democratic and Republican positions.
Sponsored Legislation
241 bills totalS 4619 · Introduced May 21, 2026
May 21, 2026: Read twice and referred to the Committee on Environment and Public Works.
S 4529 · Introduced May 14, 2026
May 20, 2026: Committee on Environment and Public Works Subcommittee on Clean Air, Climate, and Nuclear Innovation and Safety. Hearings held.
S 4267 · Introduced Mar 26, 2026 · Energy
Mar 26, 2026: Read twice and referred to the Committee on Energy and Natural Resources.
S 4146 · Introduced Mar 19, 2026 · Environmental Protection
Mar 19, 2026: Read twice and referred to the Committee on Environment and Public Works.
SRES 645 · Introduced Mar 17, 2026 · Agriculture and Food
Mar 17, 2026: Referred to the Committee on Energy and Natural Resources. (text: CR S1093-1094)
S 3836 · Introduced Feb 11, 2026 · Environmental Protection
Feb 11, 2026: Read twice and referred to the Committee on Environment and Public Works.
S 3611 · Introduced Jan 12, 2026 · Finance and Financial Sector
Jan 12, 2026: Read twice and referred to the Committee on Banking, Housing, and Urban Affairs.
S 3520 · Introduced Dec 17, 2025 · Public Lands and Natural Resources
Dec 17, 2025: Read twice and referred to the Committee on Agriculture, Nutrition, and Forestry.
S 3416 · Introduced Dec 10, 2025 · Government Operations and Politics
Dec 10, 2025: Read twice and referred to the Committee on Homeland Security and Governmental Affairs.
S 3278 · Introduced Nov 20, 2025 · Transportation and Public Works
Nov 20, 2025: Read twice and referred to the Committee on Commerce, Science, and Transportation.
Landmark Legislation
Major bills from recent Congresses — outcomes and party vote breakdowns. For Senator Lummis's individual votes, view their full record on Congress.gov.
Inflation Reduction Act
Enacted2022 · H.R. 5376Largest climate investment in U.S. history; allowed Medicare to negotiate drug prices; reduced the federal deficit.
D: 50 yeaR: 0 yeaFinal: 51–50
CHIPS Act
Enacted2022 · H.R. 4346Invested $52 billion in domestic semiconductor manufacturing to reduce dependence on foreign chip supply chains.
D: 47 yeaR: 17 yeaFinal: 64–33
Bipartisan Infrastructure Law
Enacted