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Environment
Vehicle Miles Traveled (VMT) vs. Mobile Source Air Toxics Emissions, 2000-2020
  2000 2002 2004 2006 2008 2010 2012 2014 2016 2018 2020 Percent change 2000 to 2020
DPM + DEOG 132,049 116,657 105,706 92,963 73,243 56,097 43,446 32,737 25,661 19,182 17,411 -87%
Benzene 180,165 169,102 142,547 118,937 106,516 97,394 89,029 83,368 79,768 77,483 76,727 -57%
Formaldehyde 77,881 69,536 56,642 43,905 37,516 33,496 30,055 28,538 27,605 27,238 27,497 -65%
Acetaldehyde 35,071 31,818 26,226 20,911 18,219 16,490 14,839 14,038 13,572 13,355 13,476 -62%
1,3-Butadiene 23,189 21,159 16,583 13,662 12,313 11,359 10,215 9,655 9,338 9,178 9,282 -60%
Acrolein 3,029 2,705 2,205 1,779 1,554 1,374 1,227 1,159 1,119 1,104 1,115 -63%
VMT (Trillions) 2.767 2.907 3.055 3.209 3.372 3.542 3.722 3.910 4.108 4.316 4.535 64%

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