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arbcombo -- Technical Evaluation Document Of Options To Reduce Locomotive and Railyard Emissions

Posted: 22 Dec 2008 15:25:11
In this preliminary draft report, the Air Resources Board
(ARB/Board) staff provides a technical evaluation for public
comment of 37 options that may accelerate further statewide
locomotive and localized locomotive and non-locomotive railyard
emission reductions. Technical Evaluation Document

The technical evaluation of each option is based on the
following criteria:  technical feasibility, potential emission
reductions, costs, and relative cost-effectiveness.  The overall
purpose of this document is to provide a sound technical basis
for the ongoing dialogue on how best to achieve further emissions
reductions of oxides of nitrogen (NOx) and diesel particulate
matter (PM or diesel PM).  The Technical Evaluation Document, and
related documents, can be found on the ARB website at

This draft report is intended only to provide an initial
technical assessment of various options that are available or may
be available in the near future to accelerate and provide
additional emissions reductions from locomotives and major
railyards in California.  It is not intended to serve as an
implementation blueprint, as it does not evaluate which agency or
agencies may have authority to implement such options.  The
document also does not evaluate what role, if any, the
availability of public funding might play in assuring earlier or
further reductions.

Following receipt and evaluation of the public comments, ARB
staff will develop a final report on the technical evaluation of
the options.  Following the completion of that report, ARB staff
will develop a separate draft report for public comment that
addresses possible implementation mechanisms.  The range of
potential mechanisms includes direct regulation, incentive funds,
voluntary actions by the railroads, and enforceable agreements
with the railroads.  This second report will draw on the results
of the previous technical evaluation.  In developing the second
report, ARB staff will again seek public comments.  

Public Comments

Staff is requesting public comments within 60 days of release of
the Technical Evaluation Document or by Monday, February 23,

Contact Information

If you have questions about the Technical Evaluation Document,
please call Mr. Harold Holmes, Manager, Engineering Evaluation
Section, at (916) 324-8029 or e-mail: hholmes@arb.ca.gov.  

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