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http://dx.doi.org/10.7470/jkst.2012.30.2.117

Improvement of the Emission model Based on Average Speeds in the Transportation Sector  

Kim, Young-Ho (Dept. of Transportation Strategic Planning, The Korea Transportation Institute)
Hong, Sung-Jin (Dept. of Transportation Strategic Planning, The Korea Transportation Institute)
Lee, Tae-Woo (Transportation Pollution Rearch Cnter, National Institute of Environmental Research)
Park, Jun-Hong (Transportation Pollution Rearch Cnter, National Institute of Environmental Research)
Publication Information
Journal of Korean Society of Transportation / v.30, no.2, 2012 , pp. 117-126 More about this Journal
Abstract
The transportation sector accounts for 33% of the total $CO_2$ emissions. Effective control measures for reducing $CO_2$ emissions are urgently needed to address global warming. Objective and reliable methods to estimate $CO_2$ emissions are a prerequisite for the implementation of such effective control measures. However, existing models have not been successful. Even though the average-speed model is one of the most convenient and useful methods for estimating $CO_2$ emissions, it cannot distinguish between a variety of roads as well as traffic conditions in the model. The results of this study found that there may be significant discrepancies between emissions estimated by the current average-speed model and those measured in real driving conditions. This paper proposed the subdivision of emission factors in the average-speed model depending on both traffic and road conditions.
Keywords
Emission Model; Average-speed Model; Operation Mode-based Model; Road Type; Driving Conditions;
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