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Proposed Rule
The following documents are related to the Tier 2 Vehicle and Gasoline Sulfur Program proposed rule. To navigate to a specific section, select from these topics:
NOTE: You will need Adobe Acrobat Reader, available as a free download, to view some of the files on this page. See EPA's PDF page to learn more about PDF, and for a link to the free Acrobat Reader.
- Announcement Materials
- Rulemaking Documents
- Public Participation
- Special Modeling in Support of the Tier2/ Gasoline Sulfur Analysis for proposed rulemaking
Announcement Materials
- Supplemental Notice to EPA's Proposal for Cleaner Vehicles and Gasoline (PDF) (EPA420-F-99-028, June 1999)
- Highlights of the Proposal Regulatory Announcement (PDF): Proposed "Tier 2" Emission Standards for Vehicles and Gasoline Sulfur Standards for Refineries (EPA420-F-99-010, May 1999)
- President Clinton's Radio Address (May 1, 1999)
- Transcript (PDF)
- Fact Sheet: President Clinton and Vice President Gore: Cleaner Air for the New Century (PDF)
- White House Press Release: Clean Air: Cleaner Cars and Cleaner Gasoline
- Program Flexibilities for Regulated Industries (PDF) (EPA420-F-99-016, May 1999)
- History of Reducing Tailpipe Emissions (PDF) (EPA420-F-99-017, May 1999)
- Diesel Fuel Quality - Advanced Notice of Proposed Rulemaking (EPA420-F-99-011, May 1999)
Rulemaking Documents
[Supplemental Notices] [Preamble and Regulations] [Draft Regulatory Impact Analysis] [SBREFA Report] [February 2000 Final Rulemaking]
Supplemental Notices
- October 27, 1999 Supplemental Notice on Reinstatement of the 1-hour Ozone Air Quality Standard (PDF)
- October 27, 1999 Memo to the Air Docket: Recent Design Values for Counties Predicted by Regional Ozone Modeling to Have 1-Hour Ozone Exceedances in 2007 Without Tier 2/Sulfur Control (PDF)
- June 30, 1999 Clarification of Proposed Rule, Provision of Supplemental Information and Request for Comment *Published in the Federal Register June 30, 1999 (pp.35112-35119) (Also available as a PDF file.)
- Press Advisory (PDF) (June 24, 1999)
- Fact Sheet: Supplemental Notice to EPA's Proposal for Cleaner Vehicles and Gasoline (PDF) (EPA420-F-99-028, June 1999)
Preamble and Regulations
- May 13, 1999 Notice of Proposed Rulemaking
(pages 26003-26052) (Also available as a PDF file.)
(pages 26053-26102) (Also available as a PDF file.)
(pages 26103-26142) (Also available as a PDF file.)
Draft Regulatory Impact Analysis
- May 13, 1999 Regulatory Impact Analysis (PDF) (1.28MB, May 1999, 420-D-99-001)
Individual sections:
Executive Summary (PDF) (9K)
Table of Contents (PDF) (24K)
List of Acronyms (PDF) (3K)
List of Tables (PDF) (24K)
List of Figures (PDF) (8K)
Chapter I: Introduction (PDF) (15K)
Chapter II: Health and Welfare Concerns (PDF) (32K)
Chapter III: Environmental Impact (PDF) (315K)
Chapter IV: Technological Feasibility (PDF) (233K)
Chapter V: Economic Impact (PDF) (346K)
Chapter VI: Cost-Effectiveness (PDF) (88K)
Chapter VII: Benefit-Cost Analysis (PDF) (333K)
Chapter VIII: Regulatory Flexibility (PDF) (40K)
Appendix A: 47-State and Four Cities Analysis (PDF) (244K)
Appendix B: Evidence Supporting the Irreversibility of Sulfur's Emission Impact (PDF) (87K)
Appendix C: One-hour and Eight-hour County Design Values (PDF) (375K)
Appendix D: EPA's Legal Authority for Proposing Gasoline Sulfur Controls (PDF) (30K)
Report of the Small Business Advocacy Review Panel
- May 13, 1999
Final Report of the SBREFA Small Business Advocacy Review Panel PDF (appendices C and D are available through the Air and Radiation Docket)
Cover letter from the Panel to the EPA Administrator PDF - Air and Radiation Docket and Information Center
- Federal Register
When using this page, note that text files may be incomplete because they do not include graphics. The PDFs include the graphics.
Public Participation
Public Hearings
EPA held five days of public hearings on the Tier 2/Gasoline Sulfur proposal in four different locations. Transcripts of the hearings are posted below and are available in the rulemaking docket.
- June 9-10, 1999, Philadelphia, PA
Hearing Transcript Volume 1 (also available as a PDF file 425K)
Hearing Transcript Volume 2 (also available as a PDF file 300K) - June 11, 1999, Atlanta, GA
Hearing Transcript (also available as a PDF file 360K) - June 15, 1999, Denver, CO
Hearing Transcript (PDF) (300K) - June 17, 1999, Cleveland, OH
Hearing Transcript (also available as a PDF file 500K)
For further information or assistance regarding this Web page, please contact the ASD Information Line at (734) 214-4636 or email: asdinfo@epa.gov.