Date post: | 19-Dec-2015 |
Category: |
Documents |
View: | 249 times |
Download: | 8 times |
Transportation Transportation Air PollutionAir Pollution
Air Pollution – SourcesAir Pollution – Sources
Internal Combustion EngineInternal Combustion Engine
PollutantsPollutants
Photochemical SmogPhotochemical Smog
OzoneOzone
Acid RainAcid Rain
Acid RainAcid Rain
The Environmental Protection The Environmental Protection AgencyAgency
Clean Air ActsClean Air Acts1955, 1963, 1970, 19901955, 1963, 1970, 1990
Clean Air Act of 1990Clean Air Act of 1990
Air Quality StandardsAir Quality StandardsNational Ambient Air Quality Standards National Ambient Air Quality Standards
(NAAQS)(NAAQS)
Attainment of NAAQSAttainment of NAAQS
1-hour Ozone Standard1-hour Ozone StandardWhere are the problem areas?Where are the problem areas?
How are emission standards How are emission standards achieved?achieved?
Catalytic ConverterCatalytic Converter
Command and Control Command and Control StrategyStrategy
Tailpipe Emissions Tailpipe Emissions TestingTesting
in Connecticutin Connecticut
EPA Strategies Have Worked for EPA Strategies Have Worked for
Pollution Emission by cars.Pollution Emission by cars.
Even though vehicle miles Even though vehicle miles increased by 150%, emission have increased by 150%, emission have substantially decreased.substantially decreased.
Cars also emit CO2Cars also emit CO2
Justices Say E.P.A. Has Justices Say E.P.A. Has Power to Act on Harmful Power to Act on Harmful
Gases Gases (NYT April 3, 2007)(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.
ConclusionsConclusions
Clean Air Act has been very successfulClean 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 NOx emission from autos is a major
contributor to these problemscontributor to these problems Transportation produces 25% of GHG Transportation produces 25% of GHG
emissionsemissions