Automobile Emissions Are Statistically Gamma Distributed

Publication Date

1994

Document Type

Article

Organizational Units

Chemistry and Biochemistry

Keywords

Atmospheric chemistry, Emissions, Pollutants

Abstract

In the present study, we investigated the statistical distributions of on-road CO and HC emissions by comparing the skewness and kurtosis of the distributions. The results of the analysis based on remote sensing data sets show that on-road automobile CO and HC emission distributions are well represented by a gamma-distribution. Laboratory dynamometer emissions measurements are similarly distributed, thus the classical statistics based on the assumptions of normal distributions cannot be applied.

Publication Statement

Copyright held by the American Chemical Society.

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