1.4%
1.4%
88%
10%
CO
Figure 2. Fuel Combustion-Related Criteria Air Pollutant Emissions
Breakdown by Fuel Type
Coal
Natural Gas
Oil (non-mobile, diesel, non-diesel)
Other (biomass, other non-mobile, other mobile)
15%
10%
61%
14%
NOₓ
18%
4.2%
37%
42%
PM10
15%
5%
31%
49%
PM2.5
0.5%
1.9%
87%
11%
VOC
4.2%
26%
57%
13%
NH₃
89%
0.4%
6%
4.4%
SO₂
