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FIGURE 8-15 Indexes of Key Air Pollutant Emissions from U.S. Transportation: 1970-2013

Friday, April 10, 2015

Table Version | Excel

FIGURE 8-15 Indexes of Key Air Pollutant Emissions from U.S. Transportation: 1970-2013

SOURCE: U.S. Environmental Protection Agency, National Emissions Inventory Air Pollutant Emissions Trends Data, 1970-2013, Average Annual Emissions All Criteria Pollutants, Available at http://www.epa.gov/ttn/chief/trends/index.html as of October 2014.