Figure 5-26 VOCs, NQx, and CO Emissions from transportation: 1975-98 (Annual totals)

Figure 5-26. VOCs, NQx, and CO Emissions from transportation: 1975-98 (Annual totals). If you are a user with a disability and cannot view this image, please call 800-853-1351 or email answers@bts.gov for further assistance.

Source: U.S. Environmental Protection Agency, Office of Air and Radiation, Air Quality Planning and Standards, National Air Pollution Emission Trends, 1900-1998, EPA 454/R-00-002 (Washington, DC: 2000), available at http://www.epa.gov/ttn/chief/trends98/trends98.pdf, as of June 28, 2000.

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