Bus fleet emissions: new strategies for mitigation by adopting natural gas - Galbieri, Rodrigo; Brito, Thiago Luis Felipe; Mouette, Dominique; Costa, Hirdan Katarina de Medeiros; Santos, Edmilson Moutinho dos; Fagá, Murilo Tadeu Werneck (Mitigation and Adaptation Strategies for Global Change: an international journal devoted to scientific, engineering, socio-economic and policy responses to environmental change, 2017)