“…Furthermore, several authors have specifically focused on barriers for environmental technologies and practices with a focus on the transport sector (e.g. Black, 2000;Byrne and Polonsky, 2001;Low et al, 2010;Steenberghen and López, 2008;Wiedmann et al, 2011). From all the above authors, barriers can be summarized into: i) regulatory, ii) organizational, iii) financial, iv) political, v) cultural, vi) technical, and vii) conceptual barriers.…”