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Regulations for Emissions from Vehicles and Engines

Final Rule for Control of Air Pollution; Emission Standards for New Nonroad Spark-Ignition Engines At or Below 19 Kilowatts

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Rule Summary

Referenced Phase Level

  • Phase 1

This action establishes Phase 1 standards for new nonroad spark-ignition (SI) engines at or below 19 kilowatts (25 horsepower). These engines are used principally in lawn and garden equipment.

Rule History


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