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Mobile Source Air Toxics
Recent Examinations of Mobile Source Air Toxics
Figure 4 Data
Changes in the Proportional Mix of MSAT Emissions
(% of Total Emissions)
2005
2010
2030
Acetaldehyde
5.40%
5.97%
8.16%
Acrolein
0.75%
0.81%
1.06%
Benzene
40.39%
44.44%
54.02%
Butadiene
5.27%
5.71%
6.80%
Diesel PM
33.29%
27.29%
8.62%
Formaldehyde
14.89%
15.78%
21.34%
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Updated: 6/28/2017
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