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ABSTRACT The transportation sector is the greatest contributor to air pollution. With the booming demand for transportation, reducing the pollution has become one of the main concerns of researchers. EPA… Click to show full abstract
ABSTRACT The transportation sector is the greatest contributor to air pollution. With the booming demand for transportation, reducing the pollution has become one of the main concerns of researchers. EPA emission standards are designed to protect air quality and human health. Diesel Euro 5 NOx has become a matter of disquiet since it has been found that NOx emissions are significantly exceeding the standard limit. This paper presents a study to estimate the disparity in real-world NOx emission levels resulted from all diesel Euro 5 passenger cars (PC) and light commercial vehicles (LCV) that are present in Ireland. NOx emission levels calculated based on laboratory test results, on-road measurements and the COPERT 4 model were compared. Additionally, NOx emission levels from the defective Volkswagen models have been calculated to quantify the effect of the Volkswagen scandal on Ireland. Impacts of excess NOx emissions on health and cost have also been presented.
Journal Title: Transportation Planning and Technology
Year Published: 2018
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