Ashley Hinson of Iowa voted on February 26, 2025 to repeal the federal methane fee on oil and gas companies (roll call 52) and, two months later, to revoke California's clean-car and clean-truck standards, which other states had adopted. She voted to overturn federal land plans that had limited coal leasing in Montana and Wyoming and to reopen the Arctic National Wildlife Refuge's Coastal Plain to oil leasing, and in January 2026 voted to end a 20-year mining ban upstream of Minnesota's Boundary Waters.
Hinson also voted for the One Big Beautiful Bill Act (roll call 190), which ended clean-energy tax credits; energy researchers project the federal changes will raise Iowans' health costs from added pollution.
Ashley Hinson's Votes on Climate, Clean Air and Public Lands
- Hinson Voted for the Law That Ended Clean-Energy Credits, Repealed the Greenhouse Gas Reduction Fund and Delayed the Methane Fee to 2034, in July 2025. On July 3, 2025, Ashley Hinson voted yes as the House passed the final One Big Beautiful Bill Act 218 to 214, after voting for the House version in May, which passed 215 to 214, so it would have failed without her vote. The law ended clean-energy tax credits, carried out a REPEAL OF GREENHOUSE GAS REDUCTION FUND and moved the start of the methane fee on oil and gas companies to 2034. Rhodium Group now projects that the U.S. is on pace to reduce emissions 27-44 percent below 2005 levels by 2035, down from its earlier projection of 38-56 percent by 2035, Scientific American reported.
- Hinson Voted to Repeal the Methane Fee on Oil and Gas Companies in February 2025. On February 26, 2025, Hinson voted yes on H.J.Res. 35, which repealed EPA's rule carrying out the fee on methane emissions from oil and gas facilities; it passed the House 220 to 206 and became law. The Institute for Policy Integrity lists the rule as Methane Fee Rule Fully Repealed, with $236 million a year in net benefits lost, in its 2026 tracker.
- Hinson Voted to Revoke California's Clean-Car and Clean-Truck Standards That 11 Other States Had Adopted, in 2025. On April 30 and May 1, 2025, Hinson voted to revoke the federal waivers for California's Advanced Clean Trucks, low-NOx heavy-duty engine and Advanced Clean Cars II standards; all three resolutions became law, a move California has challenged in court. The clean-car rule had been adopted by 11 other states (plus the District of Columbia), and California regulators had estimated its health benefits would include a reduction of over 1,000 premature deaths, according to the Union of Concerned Scientists, an advocacy group.
- Hinson Voted to Open the Arctic Refuge and Western Coal Lands to Leasing in 2025, Once by a Deciding Vote. In September and November 2025, Hinson voted for resolutions overturning federal land plans for the Arctic refuge's Coastal Plain, the National Petroleum Reserve in Alaska, and coal lands near Miles City, Montana and Buffalo, Wyoming; the Buffalo resolution passed 214 to 212, a margin at which a switch by her alone would have tied the vote, and a tie fails. The Interior Department then opened the 1.56 million acre Coastal Plain of the Arctic National Wildlife Refuge for oil and gas leasing, in land that is habitat for Porcupine caribou, denning polar bears. The Miles City plan had been one in which, in 2024, the Miles City Field Office decided to stop selling new coal leases.
- Hinson Voted to End a 20-Year Mining Ban Upstream of Minnesota's Boundary Waters in January 2026. On January 21, 2026, Hinson voted yes on H.J.Res. 140, which passed the House 214 to 208 and nullified the withdrawal of 225,504 acres of Superior National Forest lands from mineral and geothermal leasing upstream of the Boundary Waters. In a December 2025 Impact Research poll, Minnesota voters opposed sulfide-ore copper mining in the Boundary Waters watershed 23% favor / 57% oppose.
What the Climate Rollbacks Ashley Hinson Voted For Mean for Iowa
- Health costs (projection). Energy Innovation projects that increased pollution from the law Hinson voted for and other federal energy policy changes will raise Iowans' healthcare-related costs by $450 million from 2026 to 2040.
Frequently Asked Questions About Ashley Hinson on Climate and the environment
What is Ashley Hinson's record on climate and the environment under Trump?
Ashley Hinson of Iowa voted in 2025 to repeal the methane fee on oil and gas companies and to revoke California's clean-car and clean-truck standards, and for the One Big Beautiful Bill Act, which ended clean-energy tax credits. She voted to reopen the Arctic refuge's Coastal Plain and western coal lands to leasing and, in January 2026, to end the Boundary Waters mining ban.
Did Ashley Hinson vote to open the Arctic National Wildlife Refuge to drilling?
Yes. Ashley Hinson voted on November 18, 2025 for H.J.Res. 131, which passed 217 to 209 and overturned the land plan for the refuge's Coastal Plain. The federal government then reopened the Coastal Plain to oil and gas leasing, according to Harvard's Environmental and Energy Law Program.
How did Ashley Hinson vote on clean-energy tax credits?
Ashley Hinson voted for the 2025 law that ended them, on July 3, 2025, after casting the deciding vote for the House version in May. Energy Innovation forecast in July 2025 that the final law means a 340 gigawatt decrease in generation capacity by 2035.
Last updated: 2026-10-25