H.R. 4214 (119th)Bill Overview

Clean Air and Building Infrastructure Improvement Act

Environmental Protection|Administrative law and regulatory proceduresAir quality
Cosponsors
Support
Republican
Introduced
Jun 27, 2025
Discussions
Bill Text
Current stageCommittee

Referred to the House Committee on Energy and Commerce.

Introduced
Committee
Floor
President
Law
Congressional Activities
01 · The brief
Plain-English summaryWhat this bill actually does

The bill amends Clean Air Act section 109 to require the EPA Administrator, whenever issuing a final national ambient air quality standard (NAAQS), to concurrently publish final implementing regulations and guidance that address, among other things, submission and consideration of preconstruction permit applications. If the Administrator does not publish that implementing guidance concurrently, the new or revised standard would not apply to the review and disposition of preconstruction permit applications until the guidance is published.

Why people may split

Whether the bill’s timing-based suspension of a NAAQS for preconstruction permitting is an acceptable tool for reducing regulatory uncertainty (centrist/conservative) or an unacceptable delay of health protections (liberal).

Watch point

Relative to its intended legislative type, this bill is a substantively framed amendment to the Clean Air Act that clearly integrates with existing statutory architecture and sets a single, concrete operational rule (requirement of concurrent publication and suspension of standard applicability until publication).

The bill amends Clean Air Act section 109 to require the EPA Administrator, whenever issuing a final national ambient air quality standard (NAAQS), to concurrently publish final implementing regulations and guidance that address, among other things, submission and consideration of preconstruction permit applications.

If the Administrator does not publish that implementing guidance concurrently, the new or revised standard would not apply to the review and disposition of preconstruction permit applications until the guidance is published.

The bill preserves existing obligations to install best available control technology (BACT) and lowest achievable emission rate (LAER) where applicable and preserves State, local, and Tribal authority to adopt more stringent emissions requirements.

Passage30/100

On content alone, this is a narrowly targeted, technocratic change rather than a large spending or entitlement bill, which increases its practicability. However, it intervenes in a politically charged regulatory regime (NAAQS and PM2.5 implementation) and contains a blunt mechanism to delay application of new standards to permitting. That combination makes it attractive to regulated parties but likely to draw resistance from environmental and public-health stakeholders and from legislators who favor prompt implementation of air quality protections. Those factors reduce the bill's overall odds of becoming law unless it is amended into a broader consensus package or receives negotiation concessions.

CredibilityPartially aligned

Relative to its intended legislative type, this bill is a substantively framed amendment to the Clean Air Act that clearly integrates with existing statutory architecture and sets a single, concrete operational rule (requirement of concurrent publication and suspension of standard applicability until publication). It succeeds at defining primary actors and some temporal tests (including a specific transitional rule for the 2024 PM2.5 standard) but leaves several implementation details unspecified.

Contention70/100

Whether the bill’s timing-based suspension of a NAAQS for preconstruction permitting is an acceptable tool for reducing regulatory uncertainty (centrist/conservative) or an unacceptable delay of health protections (liberal).

02 · What it does

Who stands to gain, and who may push back.

Likely benefits vs burdens50% / 50%
Developers · Permitting processPermitting process · Federal agencies

These are examples from the analysis, not a ranked list of the most-affected groups.

Likely helped
  • DevelopersIncreases regulatory predictability for project developers, permitting authorities, and states by forcing EPA to provid…
  • Permitting processReduces the risk of permit-processing delays or retroactive application of a new standard to in-process projects, which…
  • Permitting processLowers immediate compliance costs for permit applicants facing a newly tightened standard by exempting some in-process…
Likely burdened
  • Potential burdenDelays application of updated air quality protections to new or modified stationary sources whenever EPA fails to issue…
  • Permitting processCreates an incentive for applicants to accelerate permit submissions or premature completeness determinations to lock i…
  • Federal agenciesImposes an operational burden on EPA by requiring simultaneous preparation of rule text and detailed permitting guidanc…
03 · Why people split

Why the argument around this bill splits.

Whether the bill’s timing-based suspension of a NAAQS for preconstruction permitting is an acceptable tool for reducing regulatory uncertainty (centrist/conservative) or an unacceptable delay of health protections (libe…
Progressive20%

A mainstream liberal would likely view the bill as a measure that risks delaying implementation of health-protective air quality standards and creating loopholes for new or modified polluters.

They would note that tying applicability of a NAAQS to the EPA’s concurrent issuance of implementation guidance could permit projects to avoid review under stronger standards for an extended period, undermining public health gains.

While the preservation of BACT/LAER obligations and state authority are positive notes, the explicit carve-out for the 2024 PM2.5 standard would be seen as particularly troubling given PM2.5’s well-established health harms.

Likely resistant
Centrist60%

A mainstream centrist would see a defensible policy goal in reducing regulatory uncertainty by encouraging EPA to provide implementation guidance along with a new or revised NAAQS.

They would also be cautious, noting the bill's practical effect could be to delay application of new standards to construction permits where the EPA does not meet the 'concurrent' requirement.

The centrist would weigh administrative benefits against public-health risks and legal uncertainty and would likely seek clearer timelines and procedural safeguards.

Split reaction
Conservative85%

A mainstream conservative would likely view the bill favorably because it constrains regulatory surprise and reduces the risk that new or revised air standards are retroactively or immediately imposed on projects without clear implementing rules.

The requirement that EPA publish implementing regulations and guidance concurrently with a NAAQS provides predictability for industry, States, and permitting authorities.

The explicit rule that a standard does not apply to permitting until EPA provides guidance—plus the PM2.5 grandfathering—would be seen as protecting investment timelines and preventing administrative overreach.

Leans supportive
04 · Can it pass?

The path through Congress.

Introduced

Reached or meaningfully advanced

Committee

Reached or meaningfully advanced

Floor

Still ahead

President

Still ahead

Law

Still ahead

Passage likelihood30/100

On content alone, this is a narrowly targeted, technocratic change rather than a large spending or entitlement bill, which increases its practicability. However, it intervenes in a politically charged regulatory regime (NAAQS and PM2.5 implementation) and contains a blunt mechanism to delay application of new standards to permitting. That combination makes it attractive to regulated parties but likely to draw resistance from environmental and public-health stakeholders and from legislators who favor prompt implementation of air quality protections. Those factors reduce the bill's overall odds of becoming law unless it is amended into a broader consensus package or receives negotiation concessions.

Scope and complexity
24%
Scopenarrow
24%
Complexitylow
Why this could stall
  • How stakeholder lobbying (industry, states, environmental and public-health groups) will influence member support or opposition; their positions are not predictable from the text alone.
  • Whether the bill would prompt legal challenges under existing Clean Air Act provisions or judicial interpretations that could affect feasibility and willingness of Congress to adopt the change.
05 · Recent votes

Recent votes on the bill.

No vote history yet

The bill has not accumulated any surfaced votes yet.

06 · Go deeper

Go deeper than the headline read.

Included on this page

Whether the bill’s timing-based suspension of a NAAQS for preconstruction permitting is an acceptable tool for reducing regulatory uncertai…

On content alone, this is a narrowly targeted, technocratic change rather than a large spending or entitlement bill, which increases its pr…

Unlocked analysis

Relative to its intended legislative type, this bill is a substantively framed amendment to the Clean Air Act that clearly integrates with existing statutory architecture and sets a single, concrete operational rule (re…

Go beyond the headline summary with full stakeholder mapping, legislative design analysis, passage barriers, and lens-by-lens tradeoff breakdowns.

Perspective breakdownsPassage barriersLegislative design reviewStakeholder impact map
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