title: The smarter, the cleaner? Collaborative footprint: a further look at taxi sharing.
authors.affiliation: Department of Economic Analysis and Finance, Faculty of Economic and Business Sciences, University of Castilla-La Mancha, Albacete 02071, Spain; and luis.lsantiago@uclm.es.
authors.forename: Luis Antonio
authors.initials: LA
authors.lastname: López
authors.affiliation: IN+, Center for Innovation, Technology, and Policy Research, Energy and Environment Scientific Area, Department of Mechanical Engineering, Instituto Superior Técnico, University of Lisbon, 1049-001 Lisbon, Portugal.
authors.forename: Tiago
authors.initials: T
authors.lastname: Domingos
authors.affiliation: Department of Economic Analysis and Finance, Faculty of Economic and Business Sciences, University of Castilla-La Mancha, Albacete 02071, Spain; and.
authors.forename: María Ángeles
authors.initials: MÁ
authors.lastname: Cadarso
authors.affiliation: Department of Economic Analysis and Finance, Faculty of Economic and Business Sciences, University of Castilla-La Mancha, Albacete 02071, Spain; and.
authors.forename: Jorge Enrique
authors.initials: JE
authors.lastname: Zafrilla