Air and Radiation
This page shows all of the pages at www.epa.gov that are tagged with Air and Radiation.
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Administrator Zeldin Announces Proposal to Streamline Permitting Requirements for Incinerators Critical to Wildfire Prevention and Natural Disaster Recovery
U.S. EPA Administrator Lee Zeldin issued a proposal to harmonize existing Clean Air Act (CAA) regulations and cut red tape for incinerators to help state, local, and Tribal governments prevent and respond to natural disasters.
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EPA Releases Proposal for Commercial Sterilizers to Safeguard the Supply of Life-Saving Medical Tools
EPA has proposed amendments to the Biden-era 2024 National Emissions Standards for Hazardous Air Pollutants (NESHAP) for Ethylene Oxide (EtO) Commercial Sterilization Facilities to ensure consistency with the law.
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Administrator Zeldin Announces Selection of Members to the Clean Air Scientific Advisory Committee
Today, U.S. Environmental Protection Agency (EPA) Administrator Lee Zeldin announced the selection of new members to the Clean Air Scientific Advisory Committee (CASAC).
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ICYMI: Breitbart Exclusive: EPA Chief Lee Zeldin Ends Democrat War on ‘Beautiful, Clean Coal’
Breitbart News highlighted a key action the EPA is taking to ensure affordable, dependable energy for American families and restore American energy dominance.
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EPA Issues Guidance Update on Regional Haze Plans for States to Ensure Reliability of the American Electric Grid
EPA issued a memorandum clarifying guidance on Regional Haze State Implementation Plans (SIPs) to support the reliability of our electric grid.
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EPA Continues to Reverse Democrats’ War on Beautiful Clean Coal, Finalizes Repeal of Costly Restrictions on Baseload Power Generation
While at Mills Creek Power Plant in Kentucky, U.S. Environmental Protection Agency (EPA) announced the finalization of a deregulatory action to ensure affordable, dependable energy for American families and restore American energy dominance.
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ICYMI: New York Post: EPA to Reform Biden’s $5B Electric School Bus Program by Providing More Fuel Alternatives
The Environmental Protection Agency is revamping the Clean School Bus (CSB) Program.
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EPA Announces Path Forward to Revamp the Clean School Bus Program to Provide Safe, Affordable, Efficient Transportation for America’s Youth
Seeks Public Input to Reform the Program to Ensure Best Use of Taxpayer Dollars and Deliver Results for American Families
Today, U.S. Environmental Protection Agency (EPA) announced the path forward to revamp the Clean School Bus (CSB) Program to provide school districts with increased choice and affordable options for school buses.
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What They Are Saying: Leaders and Americans Across the Country Applaud the Single Largest Act of Deregulation in U.S. History
On Thursday, February 12, 2026, alongside President Trump in the White House’s Roosevelt Room, U.S. Environmental Protection Agency (EPA) Administrator Lee Zeldin announced the single largest deregulatory action in U.S. history.
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President Trump and Administrator Zeldin Deliver Single Largest Deregulatory Action in U.S. History
Trump Admin Eliminates Obama-Era Endangerment Finding, off-cycle credits, start-stop feature
Alongside the President, EPA Administrator Lee Zeldin announced the single largest deregulatory action in U.S. history.
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Administrator Zeldin Eliminates Off-Cycle Credit for Almost Universally Hated Start-Stop Feature in Vehicles
EPA Administrator Lee Zeldin eliminated the off-cycle credit that was used to implement the almost universally hated start-stop feature in American vehicles.
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ICYMI: Administrator Zeldin Takes Additional Measures to Address Diesel Exhaust Fluid (DEF) Issues for American Farmers and Truckers
Administrator Lee Zeldin took another step to further the Trump EPA’s work to address widespread concerns from farmers, truckers, motor coach operators, and other diesel equipment operators regarding Diesel Exhaust Fluid (DEF) system failures.
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ICYMI: EPA Sets Record Straight — Americans Have the Right to Repair Their Farm or Other Nonroad Diesel Equipment
EPA Administrator Lee Zeldin set the record straight with guidance reaffirming American farmers and equipment owners’ right to repair the farm and other nonroad diesel equipment they own.
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EPA Advances Farmers’ Right to Repair Their Own Equipment, Saving Repair Costs and Productivity
Today, the U.S. Environmental Protection Agency (EPA) advanced American farmers and equipment owners’ lawful right to repair their farm and other nonroad diesel equipment.
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Administrator Zeldin Takes Additional Measures to Address Diesel Exhaust Fluid (DEF) Issues for American Farmers and Truckers
Today, U.S. Environmental Protection Agency (EPA) Administrator Lee Zeldin took another step to further the Trump EPA’s work to address widespread concerns from farmers, truckers, motor coach operators, and other diesel equipment operators regarding Diesel
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EPA Advances Cooperative Federalism to Improve Air Quality by Taking an Important Step to Reconsider Biden-era “Good Neighbor Plan”
Agency Proposes to Approve State Implementation Plans for Eight States
EPA proposed phase 1 of its reconsideration of the deeply flawed Biden-era "Good Neighbor Plan."
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EPA Stops Another California Scheme to Impose its Costly Vehicle Policies on Entire Country
Agency Announces Final Disapproval of CA Heavy-Duty Vehicle Rule Pertaining to Out-of-State, Out-of-Country Vehicles
EPA announced the agency’s final disapproval of California’s Heavy-Duty Inspection and Maintenance Regulation under the Clean Air Act to the extent the regulation applies to out-of-state and out-of-country registered vehicles.
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EPA Hosts Roundtable Discussion with Data Center Coalition on Clean Air Resources and Energy Reliability
EPA convened a roundtable with the Data Center Coalition, led by senior Trump EPA officials, to discuss how the rapid growth of data centers can be harnessed to make the U.S. the AI capital of the world.
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Administrator Zeldin Visits America’s Auto Industry with Secretary Duffy and Ambassador Greer on Freedom Means Affordable Cars Tour
U.S. Environmental Protection Agency (EPA) Administrator Lee Zeldin, alongside U.S. Department of Transportation (DOT) Secretary Sean Duffy and U.S. Trade Representative (USTR) Ambassador Jamieson Greer, visited America’s auto industry in Ohio and Michigan
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EPA Reaches Settlement with Alabama Power Company to Address Compliance with Certain Coal Ash Regulations
Case is part of EPA’s larger initiative to protect communities from coal ash contamination
EPA News Release: EPA Reaches Settlement with Alabama Power Company to Address Compliance with Certain Coal Ash Regulations