In Raleigh, NC, smog forms primarily from nitrogen oxide chemicals in auto exhaust. Find the best and worst autos for your town. |
Read the report and learn about how cars contribute to America's asthma epidemic. Smog causes lifelong damage to our children's lungs.
9 INHALERS
2003 Ford Explorer See the cleanest and dirtiest automakers ranked by the Auto Asthma Index. |
