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EPA Approval of Missouri's Plan to Control Nitrogen Oxide Pollution from Large Engines

Official: Air Plan Approval; Missouri; Control of NOX Emissions From Large Stationary Internal Combustion Engines

Reading: Missouri's revisions reformat and streamline existing NOX control requirements without tightening emission limits, and the EPA approval extends the existing state implementation plan framework.

What this means for you

This action follows federal Clean Air Act requirements.

In clear language

The EPA is approving updates to Missouri's air quality plan that control pollution from large engines used in industry and power generation. The updates clean up reporting rules, add clearer definitions, and create an exemption for certain spark-ignited engines. This action follows federal Clean Air Act requirements.

How does this affect you?

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Who does this affect?

  • Industrial and power-generation facilities in Missouri that operate large stationary engines
  • Missouri residents in areas affected by air quality from these facilities
  • New Jersey residents and facilities if interstate air pollution patterns are involved

What can you do?

  1. Monitor local air quality reports to understand whether this rule affects pollution in your area
  2. Contact your state environmental agency if you have concerns about industrial emissions near your community
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No New Jersey official has a verified action on this policy yet.

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