1. BMW AG Energie und Umwelt Dr. Norbert Metz me93 BMW Group Kevin.Yount@usa.net Air Quality and Emissions Trends Comparison of U.S. and European Cities 01

2. BMW AG Energie und Umwelt Dr. Norbert Metz me93 BMW Group Kevin.Yount@usa.net Air Quality Trends: Ozone (O 3 ) Sources: Bavarian Environmental Office (LfU), UK National Air Quality Info. Archive, US EPA AIRS System 02

3. BMW AG Energie und Umwelt Dr. Norbert Metz me93 BMW Group Kevin.Yount@usa.net Air Quality Trends: Carbon Monoxide (CO) Sources: Bavarian Environmental Office (LfU), UK National Air Quality Info. Archive, US EPA AIRS System 03

4. BMW AG Energie und Umwelt Dr. Norbert Metz me93 BMW Group Kevin.Yount@usa.net Air Quality Trends: Nitrogen Dioxide (NO 2 ) Sources: Bavarian Environmental Office (LfU), UK National Air Quality Info. Archive, US EPA AIRS System 04

5. BMW AG Energie und Umwelt Dr. Norbert Metz me93 BMW Group Kevin.Yount@usa.net Air Quality Trends: PM-10 Sources: UK National Air Quality Info. Archive, US EPA AIRS System 05

6. BMW AG Energie und Umwelt Dr. Norbert Metz me93 BMW Group Kevin.Yount@usa.net Air Quality Trends: Benzene (C 6 H 6 ) Sources: UK National Air Quality Info. Archive, US EPA AIRS System 06

7. BMW AG Energie und Umwelt Dr. Norbert Metz me93 BMW Group Kevin.Yount@usa.net Air Emission Trends: Los Angeles, USA Source: California Air Resources Board (CARB) 07

8. BMW AG Energie und Umwelt Dr. Norbert Metz me93 BMW Group Kevin.Yount@usa.net Air Emission Trends: New York City, USA Source: Doug Solomon, US EPA Emission Factor and Inventory Group 08