A comprehensive examination of heavy vehicle emissions factors Page: I
xiv, 13-123, p. : ill. (some col.), maps (some col.) ; 28 cm.View a full description of this report.
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Technical Report Documentation Page
1. Report No. 2. Government Accession No. 3. Recipient's Catalog No.
SWUTC/10/476660-00067-1
4. Title and Subtitle 5. Report Date
A Comprehensive Examination of Heavy Vehicle August 2010
Emissions Factors 6. Performing Organization Code
7. Author(s) 8. Performing Organization Report No.
Melissa Thompson, Avinash Unnikrishnan, Alison J. Report 476660-00067-1
Conway and C. Michael Walton
9. Perfonning Organization Name and Address 10. Work Unit No. (TRAIS)
Center for Transportation Research
University of Texas at Austin 11. Contract or Grant No.
1616 Guadalupe Street DTRTO7-G-0006
Austin, TX 78701
12. Sponsoring Agency Name and Address 13. Type of Report and Period Covered
Southwest Region University Transportation Center
Texas Transportation Institute 14. Sponsoring Agency Code
Texas A&M University System
College Station, TX 77843-3135
15. Supplementary Notes
Supported by a grant from the U.S. Department of Transportation, University Transportation
Centers Program
16. Abstract
This report summarizes the findings from reviewing the literature on several topics that are related to
heavy vehicle emissions including engine and fuel types, vehicle technologies that can be used to reduce
or mitigate vehicle emissions, the factors that affect vehicle emissions, vehicle emissions modeling, and
current and future policy requiring accurate accounting of heavy vehicle emissions. The pollutants present
in diesel exhaust are known to have undesirable effects on both human health and the environment. There
are many engine and fuel alternatives for current and prospective vehicle owners to consider that have
differing effects on a vehicle's pollutant output. In addition, new technologies, such as diesel particulate
filters, auxiliary power units, and selective catalytic reduction, are being used in the production of new
vehicles, and can often be installed on used vehicles, to reduce emissions and/or improve fuel economy.
Accurate heavy vehicle emissions modeling is important in forming policies designed to reduce pollutants
from heavy vehicle operation at both the vehicle and regional level. Such policies can include cap-and-
trade schemes, carbon taxing, and road user charging. All of these policy types have been implemented in
the European Union to varying degrees, but only some have been implemented in the United States.
However, all of these are now being considered in the U.S., and could be implemented in the future.17. Key Words 18. Distribution Statement
Emissions, Heavy Vehicle, Pollutant, No restrictions. This document is available to the
Greenhouse Gas public through the National Technlmical Information
Service, Sprin field, Virginia 22161.
19. Security Classif. (of report) 20. Security Classif. (of this page) 21. No. of pages 22. Price
Unclassified Unclassified 143Form DOT F 1700.7 (8-72)
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Thompson, Melissa Renee; Unnikrishnan, Avinash; Conway, Alison J. & Walton, C. Michael. A comprehensive examination of heavy vehicle emissions factors, report, August 2010; Austin, Texas. (https://texashistory.unt.edu/ark:/67531/metapth303521/m1/3/: accessed May 4, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting UNT Libraries Government Documents Department.