Experts from the following non-governmental organizations took part in the session: International Organization for Standardization (ISO); International Touring Alliance/International Automobile Federation (AIT/FIA); International Organization of Motor Vehicle Manufacturers (OICA); International Motorcycle Manufacturers Association (IMMA); The Oil Companies' European Organization for Environment, Health and Safety (CONCAWE); Association for Emissions Control by Catalyst (AECC/CEFIC); European Natural Gas Vehicle Association (ENGVA); European LPG Association (AEGPL); Federation of European Motorcyclists' Associations (FEMA); European Association of Internal Combustion Engine Manufacturers (EUROMOT); European Committee of Associations of Manufacturers of Agricultural Machinery (CEMA); European Garage Equipment Manufacturers Association (EGEA).
Des experts des organisations non gouvernementales suivantes étaient aussi présents: Organisation internationale de normalisation (ISO), Alliance internationale de tourisme/Fédération internationale de l'automobile (AIT/FIA), Organisation internationale des constructeurs d'automobiles (OICA), Association internationale des constructeurs de motocycles (IMMA), The Oil Companies' European Organization for Environment, Health and Safety (CONCAWE), Association for Emissions Control by Catalyst (AECC/CEFIC), Association européenne des gaz de pétrole liquéfiés (AEGPL), European Natural Gas Vehicle Association (ENGVA), Federation of European Motorcyclists' Associations (FEMA), Comité européen des Associations de constructeurs de moteurs à combustion interne (EUROMOT), Comité européen des groupements de constructeurs du machinisme agricole (CEMA) et European Garage Equipment Manufacturers Association (EGEA).