- For every gallon of gasoline used, our cars release roughly 20 pounds of climate-changing greenhouse gases. Learn more.
Clean Air Calendar
- 2012 (cancelled due to budget cuts)
- 2011 (PDF
1.6MB)
- 2010 (PDF
2.2MB)
- 2009 (PDF
3.3MB)
- 2008 (PDF
4.9MB)
- 2007 (PDF
14MB)
- 2006 (PDF
0.3MB)
- 2005 (PDF
3.7MB)
- 2004 (PDF
2.3MB)
- 2003 (PDF
3.5MB)
