Transportation Air Pollution. Air Pollution – Sources

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<ul><li> Slide 1 </li> <li> Transportation Air Pollution </li> <li> Slide 2 </li> <li> Air Pollution Sources </li> <li> Slide 3 </li> <li> Internal Combustion Engine </li> <li> Slide 4 </li> <li> Pollutants </li> <li> Slide 5 </li> <li> Photochemical Smog </li> <li> Slide 6 </li> <li> Ozone </li> <li> Slide 7 </li> <li> Acid Rain </li> <li> Slide 8 </li> <li> Slide 9 </li> <li> The Environmental Protection Agency </li> <li> Slide 10 </li> <li> Clean Air Acts 1955, 1963, 1970, 1990 </li> <li> Slide 11 </li> <li> Clean Air Act of 1990 </li> <li> Slide 12 </li> <li> Air Quality Standards National Ambient Air Quality Standards (NAAQS) </li> <li> Slide 13 </li> <li> Attainment of NAAQS </li> <li> Slide 14 </li> <li> 1-hour Ozone Standard Where are the problem areas? </li> <li> Slide 15 </li> <li> How are emission standards achieved? </li> <li> Slide 16 </li> <li> Catalytic Converter </li> <li> Slide 17 </li> <li> Command and Control Strategy </li> <li> Slide 18 </li> <li> Tailpipe Emissions Testing in Connecticut Tailpipe Emissions Testing in Connecticut </li> <li> Slide 19 </li> <li> EPA Strategies Have Worked for Pollution Emission by cars. Even though vehicle miles increased by 150%, emission have substantially decreased. </li> <li> Slide 20 </li> <li> Cars also emit CO2 </li> <li> Slide 21 </li> <li> Justices Say E.P.A. Has Power to Act on Harmful Gases (NYT April 3, 2007) Justices Say E.P.A. Has Power to Act on Harmful Gases (NYT April 3, 2007) WASHINGTON, April 2, 2007 In one of its most important environmental decisions in years, the Supreme Court ruled on Monday that the EPA has the authority to regulate heat-trapping gases in automobile emissions. </li> <li> Slide 22 </li> <li> Conclusions Clean Air Act has been very successful Clean Air Act has been very successful But, Ozone problems persist. But, Ozone problems persist. Acid rain problems persist. Acid rain problems persist. NOx emission from autos is a major contributor to these problems NOx emission from autos is a major contributor to these problems Transportation produces 25% of GHG emissions Transportation produces 25% of GHG emissions </li> </ul>

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