Fuel economy assessment tool for auxiliary kite propulsion of merchant ship Vincent Podeur, Damien Merdrignac, Morgan Behrel, Kostia Roncin, Caroline Fonti, Christian Jochum, Yves Parlier and Philippe Renaud La Houille Blanche, 1 (2018) 5-7 Published online: 12 March 2018 DOI: 10.1051/lhb/2018001