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SOUTHEASTERN AIR QUALITY UPDATE John Hornback Metro 4/SESARM Southeastern Diesel Collaborative Kick-Off Meeting Atlanta, Georgia April 26, 2006. ↑ Population = ↑ Activities. 2007 Urban Mobile NOx Emissions. Other. Light Duty Gas Vehicles. 1%. 15%. Light Duty Gas Trucks2. 8%.
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SOUTHEASTERN AIR QUALITY UPDATE John Hornback Metro 4/SESARM Southeastern Diesel Collaborative Kick-Off Meeting Atlanta, Georgia April 26, 2006
2007 Urban Mobile NOx Emissions Other Light Duty Gas Vehicles 1% 15% Light Duty Gas Trucks2 8% Heavy Duty Diesel Vehicles 52% Light Duty Gas Trucks1 17% Heavy Duty Gas Vehicles 7%
Selected City Findings • Average annual PMfine mass composition: • 70% Regional (far upwind background concentrations) • 10% Urban (influence of general urban emissions with little influence from specific nearby local sources) • 20% Local (influence of emissions from sources within or near the point of concern)
An Approach to the Solution • Understanding the problems • Accepting responsibility • Committing to working together • Utilizing a broad range of approaches across the various emission sectors • Completing early priority projects • Communicating efforts, improvements, and other benefits “THE DIESEL COLLABORATION CAN BE A GREAT ASSET!”
Contact Information • John Hornback • Executive Director • Metro 4, Inc. • Southeastern States Air Resource Managers, Inc. • 404-361-4000 • hornback@metro4-sesarm.org