|
|
Vehicle
Emissions
Vehicles emit a lot
of pollutants. Because the United States has more drivers than any other
country, we are guilty of putting a lot of emissions like ,
, volatile organic compounds, , sulfur
dioxide, and lead into the air.
Transportation's share of
emissions generating in the United States
1998 statistics
| carbon monoxide
(CO) |
78.6%
|
| nitrogen oxide
(NOx) |
53.4%
|
| volatile organic
compounds (VOC) |
43.5%
|
| particulate
matter 10 micrometers or less in size (PM-10) |
2.1%
|
| particulate
matter 2.5 micrometers or less in size (PM-2.5) |
7.2%
|
| sulfur dioxide |
7.2%
|
| lead* |
13.1%
|
* In 1970, transportation's
share of lead emissions was 82.3%.
Source
Davis, Stacy. Center for Transportation
Analysis, Oak Ridge National Laboratory. Transportation Energy Data
Book: Edition 20 – 2000. Chapter 4 Criteria Pollutants, 4-1.
|
