Talks “Natural gas in transport. An effective contribution to decontamination”. Santiago de Chile 28/11/201827/02/2020
Talks “The competitiveness and sustainability of vehicular natural gas”. Barcelona 12/11/201827/02/2020
Talks “Environmental labelling of vehicles and management of urban pollution”. Barcelona 10/10/201827/02/2020
Talks “Natural gas in transport: environmental and economic advantages”. Logroño 08/11/201727/02/2020