such modelling tools can be a useful for comparing sustainable transport policies and assisting policy makers to select the most effective measures to reduce c emissions in the inland transport sector pilot exercises for the model and organization of regional and national capacity building workshops are planned which will provide opportunities to learn about various emission measurement methods and mitigation policies as well as to apply model over per cent of this air pollution is attributed to vehicle emissions with older vehicles poor vehicle maintenance inadequate infrastructure and low fuel quality exacerbating the situation