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The effects of altitude on heavy-duty diesel truck on-road emissions
Authors:Bishop G A  Morris J A  Stedman D H  Cohen L H  Countess R J  Countess S J  Maly P  Scherer S
Affiliation:Department of Chemistry and Biochemistry, University of Denver, Denver, Colorado 80208, USA. gbishop@du.edu
Abstract:
On-road measurements of carbon monoxide, hydrocarbons, and nitric oxide from 5772 heavy-duty diesel trucks at five locations in the United States and Europe show slightly increasing emissions with increasing altitude. The result for nitric oxide showed a statistically significant increase of 4.1 +/- 1 gNO/kg of fuel consumed/km increase in altitude. The increases for CO and HC were also statistically significant.
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