Freight Facts and Figures 2012
Table 5-15. Current and Projected Particulate Matter (PM-10) Emissions by Freight Transportation Mode: 2002 and 2020
Trucks produced two-thirds of PM-10 emissions from the freight sector. Freight-related PM-10 emissions are forecast to decline by 50 percent from 2002 to 2020, primarily from a reduction in heavy-duty truck emissions. The required use of ULSD fuel in heavy-duty trucks and other diesel-powered highway vehicles has helped reduce PM emissions and enabled the use of advanced pollution control technologies to meet emissions standards.
 |
Tons (thousands) | Percent change, 2002 to 2020 |
|
|---|---|---|---|
| 2002 | 2020 | ||
| Heavy-duty trucks | 120.0 | 34.8 | -71.0 |
| Freight rail | 21.3 | 13.0 | -39.0 |
| Commercial marine | 44.0 | 44.1 | 0.2 |
| Air freight | 0.3 | 0.3 | -10.0 |
| Total freight | 185.6 | 92.1 | -50.4 |
Source:
U.S. Department of Transportation, Federal Highway Administration, Assessing the Effects of Freight Movement on Air Quality at the National and Regional Level, Final Report (Washington, DC: 2005), available at www.fhwa.dot.gov/environment/freightaq/ as of July 16, 2012.
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