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Table 4-40: Estimated National Emissions of Carbon
Monoxide
(Million short tons)
Excel | CSV
| TOTAL all sources |
204.04 |
188.40 |
185.41 |
176.85 |
154.19 |
147.13 |
140.90 |
135.90 |
133.56 |
126.78 |
128.86 |
117.91 |
115.38 |
114.54 |
114.47 |
106.26 |
111.06 |
106.24 |
101.43 |
96.62 |
92.13 |
88.25 |
| Highway
vehicles |
163.23 |
153.56 |
143.83 |
134.19 |
110.26 |
104.98 |
99.71 |
94.43 |
89.16 |
83.88 |
78.61 |
75.85 |
73.24 |
68.71 |
68.06 |
63.48 |
60.60 |
56.47 |
52.35 |
48.22 |
44.73 |
41.61 |
| Off-Highway |
11.37 |
14.33 |
16.69 |
19.03 |
21.45 |
21.93 |
22.42 |
22.90 |
23.39 |
23.87 |
24.36 |
23.67 |
23.69 |
23.32 |
24.18 |
24.68 |
22.66 |
22.04 |
21.42 |
20.80 |
19.67 |
18.76 |
| Fuel
combustion |
4.63 |
4.48 |
7.30 |
8.49 |
5.51 |
5.86 |
6.15 |
5.59 |
5.52 |
5.93 |
4.34 |
4.33 |
4.33 |
5.54 |
4.78 |
4.83 |
5.47 |
5.41 |
5.34 |
5.27 |
5.28 |
5.30 |
| Industrial processesa |
9.84 |
7.54 |
6.95 |
5.28 |
4.77 |
4.62 |
4.55 |
4.65 |
4.61 |
4.61 |
3.64 |
3.80 |
3.81 |
2.55 |
2.63 |
2.76 |
2.24 |
2.24 |
2.24 |
2.24 |
2.24 |
2.24 |
| Waste
disposal and recycling |
7.06 |
3.23 |
2.30 |
1.94 |
1.08 |
1.12 |
1.14 |
1.25 |
1.23 |
1.19 |
2.90 |
2.95 |
3.12 |
3.02 |
1.85 |
1.85 |
1.59 |
1.59 |
1.59 |
1.59 |
1.59 |
1.59 |
| Miscellaneous |
7.91 |
5.26 |
8.34 |
7.93 |
11.12 |
8.62 |
6.93 |
7.08 |
9.66 |
7.30 |
15.02 |
7.32 |
7.18 |
11.41 |
12.96 |
8.68 |
18.49 |
18.49 |
18.49 |
18.49 |
18.62 |
18.75 |
Key R = Revised.
a Industrial processes consists of chemical and allied product
manufacturing, metals processing, petroleum and related industries, other
industrial processes; and solvent utilization, storage, and transport.
SOURCE
U.S. Environmental Protection Agency, Clearinghouse for
Inventories and Emissions Factors (CHIEF), Current
Emission Trends Summaries, available at
http://www.epa.gov/ttn/chief/trends/index.html as of December 2008.
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