Status

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Stationary engines were originally exempted from the non-road emissions regulations, but in 2006 the EPA adopted emissions standards known as New Source Performance Standards for stationary compression-ignition (CI) engines. These brought the emissions requirements for stationary diesel engines into line with those of non-road diesel engines. In 2008, the EPA finalised New Source Performance Standards for spark-ignition (SI) engines and these were partly harmonised with the regulations for non-road SI engines.

The EPA also promulgated a separate set of rules known as National Emission Standards for Hazardous Air Pollutants (NESHAPs); they impose limitations on CO and formaldehyde emissions from certain categories of new and existing stationary engines.

New Source Performance Standards - CI engines

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• Overview
• Emissions standards
• Emissions standards for owners and operators

Overview

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Emissions standards

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Emissions standards for owners and operators

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New Source Performance Standards - SI engines

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• Emissions standards
• Emissions standards for owners and operators

Emissions standards

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Emissions standards for owners and operators

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National Emissions Standards for Hazardous Air Pollutants

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Test Procedures

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• CI engines
• SI engines

CI engines

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SI engines

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Historical Data

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• CI engines - pre-2007 MY engines

CI engines - pre-2007 MY engines

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References

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