Transportation energy data book: edition 23 - Oak Ridge National ...

The transportation sector accounted for only 2% of the nation’s particulate matter (PM-10)
emissions in 2001. For details on the highway emissions of PM-10, see Table 12.9.
Table 12.8
Total National Emissions of Particulate Matter (PM-10), 1980–2001 a
(million short tons)
Source category 1980 1985 1990 1995 2000 2001
Highway vehicles
Off-highway
0.43
0.26
0.41
0.30
0.39
0.33
0.30
0.34
0.23
0.32
aFine particle matter less than 10 microns. The sums of subcategories may not equal total due
to rounding.
bData are not available.
TRANSPORTATION ENERGY DATA BOOK: EDITION 23—2003
0.22
0.32
Percent
of total,
2001
0.9%
1.3%
Transportation total
Stationary fuel combustion
0.69 0.71 0.72 0.64 0.55 0.53 2.2%
total 2.45 1.54 1.20 1.18 1.53 1.50 6.2%
Industrial processes total
Waste disposal and
2.75 1.06 1.04 0.95 0.73 0.76 3.1%
recycling total 0.27 0.28 0.27 0.29 0.50 0.50 2.1%
Fugitive dust
b 29.73 18.08 17.01 14.31 14.66 60.8%
Other miscellaneous
b 8.01 6.46 5.76 7.08 6.14 25.5%
Miscellaneous total 0.85 37.74 24.54 22.77 21.39 20.80 86.3%
Total of all sources 7.01 41.32 27.76 25.82 24.70 24.10 100.0%
Source:
U. S. Environmental Protection Agency, National Emission Inventory Air Pollutant Emission Trends
website www.epa.gov/ttn/chief/trends (Additional resources: www.epa.gov/oar/oaqps)
Note:
Because PM-10 is fine particle matter less than 10 microns, it also includes PM-2.5. Specific data
for PM-2.5 are shown on Tables 12.10 and 12.11.
12–9