Quantificação das emissões de gases efeito estufa – GEEs – segundo matriz energética diesel ou GNV no transporte público por ônibus em Natal–RN

Abstract

Among the contributors to global atmospheric pollution, the transports sector is responsible for a considerable amount of pollutant gases emission, which cause a range of prejudices on different segments, as sanitary, environmental and economic. Due to global warming thematic and to the context of carbon credits acquisition, by CDM projects, researches that propose the mitigation of those emissions are promising. The main goal of this study is to demonstrate the Global House Gases – GHG’s emissions quantification for the public transport by buses sector of Natal-RN, Brazil, from 2006 to 2008, both to Diesel, the actual energetic matrix, as to Natural Gas, in case of hypothetical substitution. The amount of GHG’s were estimated according to the methodology proposed by the IPCC (The International Pannel for Climate Changes), on CO2eq unit. The results point a 49% GHG’s emissions reduction, which favorably evidences the substitution from Diesel to Natural Gas on public transport’s buses as a considerable proposal to mitigate the emissions and its impacts