Control of Emissions of Air Pollution from 2004 and Later Model Year Heavy- Duty Highway Engines and Vehicles : Response to Comments

By Environmental Protection Agency

Book Id: WPLBN0000073985
Format Type: PDF eBook:
File Size: 0.5 MB
Reproduction Date: 2007

Title:	Control of Emissions of Air Pollution from 2004 and Later Model Year Heavy- Duty Highway Engines and Vehicles : Response to Comments
Author:	Environmental Protection Agency
Volume:
Language:	English
Subject:	Ecology, Natural resource issues, Environemtal protection
Collections:	Environmental Awareness Library Collection
Historic Publication Date:
Publisher:	United States Environmental Protection Agency


Citation APA MLA Chicago Protection Agency, B. E. (n.d.). Control of Emissions of Air Pollution from 2004 and Later Model Year Heavy- Duty Highway Engines and Vehicles : Response to Comments. Retrieved from http://gutenberg.cc/

Description
Excerpt: The EPA proposed this regulation on October 29, 1999, at 64 FR 58473. The proposal announced the opportunity for written public comment until December 2, 1999. The proposal also provided notice of a public hearings which was held on November 2, 1999 in Philadelphia, PA. On December 7, 1999, EPA reopened the comment period until December 16, 1999 for all issues in the proposal with the exception of the proposal to impose Tier 2 emission standards on passenger vehicles in the 8,501 - 10,000 pound GVWR range (64 FR 68310).

Table of Contents
Table of Contents INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-iv ISSUE 1: GENERAL COMMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Issue 1.1: Supports Proposal Issue 1.2: Opposes Proposal ISSUE 2: AIR QUALITY AND HEALTH EFFECTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 Issue 2.1 General Issue 2.2 Particulate Matter Issue 2.3 Potential Increases in Ozone with NOx Reductions ISSUE 3: EMISSIONS INVENTORY AND BENEFITS MODELING . . . . . . . . . . . . . . . . . . . . . . 3-1 Issue 3.1 PM in Urban Areas Issue 3.2 Deterioration Factors for Heavy-duty Diesel Engines ISSUE 4: LEAD TIME AND STABILITY ISSUES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1 ISSUE 5: VOLUNTARY NATIONAL STANDARDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1 ISSUE 6: COST AND COST-EFFECTIVENESS OF PROPOSAL . . . . . . . . . . . . . . . . . . . . . . . . 6-1 ISSUE 7: 2004 HEAVY-DUTY DIESEL FTP STANDARDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1 Issue 7.1 Heavy-duty Diesel 2004 NMHC+NOx Standard Issue 7.2 Heavy-duty Diesel PM Standard for 2004 Issue 7.3 Diesel Fuel Quality, Useful Life and Stringency of Standards Issue 7.4 Diesel Vehicle Chassis-based Standards Issue 7.5 Other Heavy-duty Diesel Issues ISSUE 8: SUPPLEMENTAL STANDARDS FOR HEAVY-DUTY DIESEL ENGINES . . . . . . . . . 8-1 Issue 8.1 General Support for the Supplemental Standards Issue 8.2 Relationship between Statement of Principles and the Supplemental Standards Issue 8.3 Impact of Supplemental Standards on Stringency Issue 8.4 Relationship between HD Consent Decrees and the Supplemental Standards Issue 8.5 Goals of and Need for the Supplemental Requirements Issue 8.6 Appropriateness of and Compliance with the Supplemental Requirements