Off-Road Large Spark-Ignition Equipment-Documents

This page last reviewed January 21, 2014.


All documents are provided in chronological order in Adobe Acrobat (PDF), unless otherwise indicated.
  Meeting Presentations
  Verified Devices

  Title Date
  bullet Frequently asked questions for Large Spark Ignition (LSI) Engine Fleet Requirements
July 31, 2008
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Formal Regulatory Documents for the 2006 LSI Rulemaking:

February 1, 2007
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Formal Regulatory Documents for the 2006 LSI Rulemaking:

December 8, 2006
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Formal Regulatory Documents for the 2006 LSI Rulemaking:

December 1, 2006
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Formal Regulatory Documents for the 2006 LSI Rulemaking:

  • Notice of Postponement to Consider Adoption of New Emission Standards, Fleet requirements, and Test Procedures for Forklifts and Other Industrial Equipment and all of the regulatory documents for this item, including the "Staff Report: Initial Statement of Reasons for Proposed Rulemaking" and its attachments.
April 26, 2006
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Formal Regulatory Documents for the 2006 LSI Rulemaking:

  • Notice of Public Hearing to Consider Adoption of New Emission Standards, Fleet requirements, and Test Procedures for Forklifts and Other Industrial Equipment and all of the regulatory documents for this item, including the "Staff Report: Initial Statement of Reasons for Proposed Rulemaking" and its attachments
March 3, 2006
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Formal Regulatory Documents for the 2005 LSI Rulemaking:

  • Notice of Public Hearing to Consider Adoption of Emission Standards and Test Procedures for New 2007 and Later Off-Road Large Spark-Ignition (LSI) Engines and Fleet Requirements for Users of Off-Road LSI Engines and all of the regulatory documents for this item, including the "Staff Report: Initial Statement of Reasons for Proposed Rulemaking" and its attachments
May 6, 2005
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The Interim Verification Procedure For Retrofit Systems To Reduce Hydrocarbon And Oxides Of Nitrogen Emissions From Off-Road Large Spark-Ignition Engines And Equipment Greater Than 25 Horsepower

April 18, 2005
  bullet Updated Draft Proposal to Reduce Emissions from Off-Road Large Spark-Ignition Equipment Greater Than 25 Horsepower March 16, 2005
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Corrected Manufacturers Advisory Correspondence (MAC) 2005-01

March 16, 2005
  bullet Draft Proposal to Reduce Emissions from Off-Road Large Spark-Ignition Equipment Greater Than 25 Horsepower
(Updated due to typographical changes on page 14.)
August 19, 2004
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Draft Proposal for a Retrofit Verification Protocol for Off-Road Large Spark-Ignition Equipment Greater Than 25 Horsepower:

August 17, 2004
  bullet Draft Retrofit Verification Protocol May 21, 2004
  bullet Draft Proposed Regulatory Concepts May 17, 2004
  bullet LSI Regulatory Options April 2004 
  bullet LSI Site Visits April 2004 
  bullet Refinement of Selected Fuel-Cycle Emissions Analyses April 20, 2001
  bullet LSI Emissions Inventory Methodology and Input Factors (MSC #98-27) 1998
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