AFGNV – Association Française du Gaz Naturel pour Véhicules
ww.afgnv.com
ALGNV – Asociación Latinoamericana del GNV
www.algnv.org
American Petroleum Institute
www.api.org
ANGA – America’s Natural Gas Alliance
www.anga.us
Clean Energy Fuels
www.cleanenergyfuels.com
EIA – U.S. Energy Information Administration
www.eia.gov
ENGVA – European Natural Gas Vehicle Association
www.ngvaeurope.eu
Eurogas – The European Union of the Natural Gas Industry
www.eurogas.org
Gas Techonology Institute
www.igt.org
IANG – International Association for Natural Gas vehicles
www.iangv.org
ICGTI – International Centre for Gas Technology Information
www.icgti.org
IEA – International Energy Agency
www.iea.org
IFP – The International Gas Union Institute Français du Pétrole
www.ifp.fr/cedigaz
IGU – International Gas Union
www.igu.org
NGV Communications Group
www.ngvgroup.com
NGV Global – Natural Gas Vehicle Association
www.ngvglobal.com
OLADE – Organização Latino Americana de Energia
www.olade.org.ec
World Energy Council WEC
www.worldenergy.org/wec-geis