Office of Operations Freight Management and Operations

Table 5-13. Current and Future Nitrogen Oxides Emissions by Freight Transportation Mode

Table in Excel format

empty Cell Tons
2002
Tons
2010
Tons
2020
Percent Change,
2002-2010
Percent Change,
2002-2020
Heavy-duty trucks3,782,0002,186,900662,600-42-82
Freight rail857,200563,200486,400-34-43
Commercial marine1,011,000987,200938,600-2-7
Air freight8,20010,00012,4002251
Freight total5,658,4003,747,2992,099,999-34-63

Source: U.S. Department of Transportation, Federal Highway Administration, Impacts of Freight Movement on Air Quality, prepared by ICF Consulting, January 26, 2005, based on U.S. Environmental Protection Agency, National Emissions Inventory.

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