Link utili

AEGPL European LPG Association
http://www.aegpl.com/
ANFIA Associazione Nazionale Filiera Industria Automobilistica
http://www.anfia.it/
ANGVA Asian Pacific Natural Gas Vehicles Association
http://www.angva.org/index.html
ECOGAS Consorzio Ecogas - Italy
http://www.ecogas.it/
ECOMOBILE Ecomobile - Italy
http://www.ecomobile.it
ENGVA European Natural Gas Vehicle Association
http://engva.org/default.aspx
FEDERMETANO Federmetano - Italy
http://www.federmetano.it/homepage.html
GVR Gas Vehicle Report
http://www.thegvr.com/
I.C.B.I. Iniziativa Carburanti a Basso Impatto
http://icbi.comune.parma.it/project/default.asp
IANGV International Association for Natural Gas Vehicle
http://www.iangv.org/
IFCO Iranian Fuel Conservation Organization - Iran
http://www.ifco.ir/english/index.asp
ILPGA Irish LPG Association - Ireland
http://www.ilpga.ie/
JRC Joint Reasearch Centre
http://www.jrc.cec.eu.int/
LPGA LPG Association - United kingdom
http://www.lpga.co.uk/
NGV GROUP Natural Gas Vehicle Group
http://www.ngvgroup.com/
NGVA Natural Gas Vehicle Association - United Kingdom
http://www.ngva.co.uk/
NGVC Natural Gas Vehicle Coalition - United States
http://www.ngvc.org/
NGVSystem Consorzio NGV System - Italy
http://ngvsystem.it/
NPGA National Propane Gas Association - United States
http://www.npga.org/i4a/pages/index.cfm?pageid=1
PROPANEGAS Propane Gas Association of Canada - Canada
http://www.propanegas.ca/
UNRAE Unione Nazionale Rappresentanti  Autoveicoli Esteri
http://www.unrae.it/
WORLDLPGAS World LP Gas Association
http://www.worldlpgas.com/
DISTRIBUTORI GPL E METANO Distributori GPL e Metano in Italia e in Europa
http://new.eurogasauto.egm.it/it/egmsearch/findbusiness