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Evaluation of the NOx Emission Effects of Adopting California LEV II Program
| Project Period: | 11/15/2004 - 02/15/2005 |
| Total Budget: | $9,986 |
| Sub-Contractors: | ERG/Cambridge Systematics - Rick Baker ($9,986)
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The objective of this work is to review existing assessments of the emissions benefits of adopting California Low Emission Vehicle (LEV-II) emission standards, and to discuss the implications of these findings for the potential analysis and adoption of these standards in Texas. A number of assessments of the benefits of LEV-II compared to the Federal Tier 2 program have been conducted in states throughout the Northeast. These include studies for the Northeast States for Coordinated Air Use Management (NESCAUM) and the Connecticut Fund for the Environment (CFE), conducted by Cambridge Systematics (CS), estimating toxics, greenhouse gas, volatile organic compound (VOC), and oxides of nitrogen (NOx) emissions benefits of the LEV-II program in Massachusetts, New York, Vermont, and Connecticut; a study by the New Hampshire Public Interest Research Group (NHPIRG) estimating the toxics and VOC benefits of the LEV-II program in New Hampshire; and an analysis by the New Jersey Public Interest Research Group (NJPIRG) of LEV-II program benefits in New Jersey. These studies have looked at future year benefits typically in 2015, 2020, and/or 2025, of either adopting LEV-II (for states that had not yet adopted the program, including CT, NH, and NJ) or continuing to implement the program (in MA, NY, and VT) compared to maintaining or reverting to the Federal Tier 2 program. The studies have been conducted using EPA’s MOBILE6 model as well as Argonne National Laboratory’s GREET model, in conjunction with spreadsheet post-processing of outputs. All of these studies have found that the LEV-II program will reduce emissions from passenger vehicles compared to the Tier 2 program, with the benefits increasing over time. Through its work with NESCAUM, Cambridge Systematics has access to points of contact for the various studies conducted to date and should be able to obtain permission to cite results for use in Texas’ internal analysis. CS also should be able to obtain analysis spreadsheets and MOBILE6 input and output files to the extent that agencies sponsoring the studies are willing to release them.
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| Page Updated/Reviewed: 05/24/2006 11:55 AM |
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© 2005 - 2008 Texas Environmental Research Consortium
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