1. WESTAR Fall Business Meeting
Mobile Sources Committee Report September 2007
Boulder, Colorado

2. Recent Issues in Mobile Sources
Diesel
EPA report on cost effectiveness of diesel retrofits applied to heavy-duty nonroad engines:
$18,700 to $87,600 per ton PM reduced
$1900 to $19,000 per ton NOx reduced
Continued tracking state effort’s to reduce diesel emissions
Mobile Source Outreach Assistance Grants Available
Intended for public education that supports state/local and tribal air agency efforts to improve air quality and reduce GHGs (Aug 31st deadline)

3. Recent Issues in Mobile Sources
Efforts to support California’s request for a waiver of federal preemption to permit enforcement of GHG standards in new vehicles
Proposed rule for Small Nonroad Spark-Ignition and Marine Spark-Ignition Engines
Includes garden equipment, inboard/outboard and personal watercraft engines
HC, NOx, CO and evaporative standards
Phase in period 2009 – 2012
MOBILE 6.2 vs. MOVES, emission inventory submittal formats, SIP guidance
Continued tracking of other mobile source groups (NACAA, WRAP, OBD Stakeholder)

4. WESTAR Mobile Sources Committee
Clint Farr
Sig Jaunarajs
Participating States
AK, AZ, CO, HI, ID, MT, ND, NM, NV, OR, SD, UT,WA, WY