Abstract
Transportation related emissions have long been associated with adverse impacts on air quality particularly in densely populated urban areas. This paper evaluates the contribution of the road transportation sector, in a typical small developing country, to exhaust emissions. The Motor Vehicle Emissions Inventory (MVEI) computer based model, with inputs adjusted to the fleet and conditions at hand, is used to predict the contributions of different classes of vehicles and to forecast the corresponding emissions for the year 2020. Emissions reduction and the sensitivity to changes in factors such as fleet age, fleet technology, average speed and travel volume are assessed. Two scenarios are developed to explore the feasibility and benefits of different mitigation approaches. Mitigation measures best applicable in Lebanon, economically and technologically, are presented. A general framework for air quality management to implement these mitigation measures is also addressed in this paper
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