Interim Guidance Update on Mobile Source Air Toxic Analysis in NEPA - Figure 1

NATIONAL ANNUAL MSAT EMISSION TRENDS 2010 - 2050 FOR VEHICLES OPERATING ON ROADWAYS USING EPA's MOVES2010b MODEL
	Pollutant Emissions (megatonnes) and Vehicle-Miles Traveled (VMT) by Calendar Year									Change
Pollutant / VMT	2010	2015	2020	2025	2030	2035	2040	2045	2050	2010 to 2050
Acrolein	1.13E-03	7.30E-04	4.31E-04	2.89E-04	2.34E-04	2.24E-04	2.39E-04	2.64E-04	2.92E-04	-74%
Benzene	1.72E-02	9.25E-03	6.14E-03	5.14E-03	4.89E-03	5.17E-03	5.64E-03	6.21E-03	6.83E-03	-60%
Butadiene	2.86E-03	1.62E-03	1.06E-03	8.63E-04	8.07E-04	8.47E-04	9.23E-04	1.02E-03	1.12E-03	-61%
Diesel PM	1.17E-01	7.18E-02	3.69E-02	1.92E-02	1.15E-02	9.10E-03	9.05E-03	9.93E-03	1.09E-02	-91%
Formaldehyde	1.62E-02	1.08E-02	7.06E-03	5.39E-03	4.83E-03	4.91E-03	5.30E-03	5.86E-03	6.48E-03	-60%
Naphthalene	2.15E-03	1.36E-03	8.51E-04	6.29E-04	5.50E-04	5.54E-04	5.98E-04	6.60E-04	7.28E-04	-66%
Polycyclic Organic Matter	9.99E-04	6.40E-04	3.75E-04	2.49E-04	1.98E-04	1.88E-04	1.99E-04	2.18E-04	2.38E-04	-76%
Trillions VMT	2.96	3.19	3.50	3.85	4.16	4.58	5.01	5.49	6.00	102%
	Pollutant Emissions (tons) and Vehicle-Miles Traveled (VMT) by Calendar Year									Change
Pollutant / VMT	2010	2015	2020	2025	2030	2035	2040	2045	2050	2010 to 2050
Acrolein	1244	805	476	318	258	247	264	292	322	-74%
Benzene	18995	10195	6765	5669	5386	5696	6216	6840	7525	-60%
Butadiene	3157	1783	1163	951	890	934	1017	1119	1231	-61%
Diesel PM	128847	79158	40694	21155	12667	10027	9978	10942	11992	-91%
Formaldehyde	17848	11943	7778	5938	5329	5407	5847	6463	7141	-60%
Naphthalene	2366	1502	939	693	607	611	659	727	802	-66%
Polycyclics	1102	705	414	274	218	207	219	240	262	-76%
VMT	2.96	3.19	3.50	3.85	4.16	4.58	5.01	5.49	6.00	102%