Talks “The improvement of the air quality of the air in European cities”. Brussels 07/05/201927/02/2020
Talks “Environmental labelling of vehicles and management of urban pollution”. Madrid 28/03/201927/02/2020
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