# Organisation Internationale des Constructeurs d'Automobiles

The International Organization of Motor Vehicle Manufacturers (OICA; French: Organisation internationale des constructeurs automobiles), founded 1919 in Paris, is an international trade association whose members are 39 national automotive industry trade associations. OICA facilitates communication among its member national automotive industry trade associations and advocates for policies and position of mutual interest to its members at the international level and to the general public.

## UNECE

OICA hosts on its web site the working documents from various United Nations expert groups, including World Forum for Harmonization of Vehicle Regulations.

## Climate change

OICA recognizes anthropogenic climate change as "probably the greatest challenge facing society in the twenty-first century." OICA identifies motor vehicles as a significant factor, contributing about 16% of global man-made carbon dioxide emissions. OICA advocates for an integrated, global approach to global warming.

## Auto shows

The OICA coordinates scheduling for the following major auto shows. Bold denotes one of the "big five", most prestigious shows.
Note that only the passenger car segment is included in this list, while other exhibitions exist for heavy commercial vehicles:
| Show name | City | Country | Month | Official link |
| North American International Auto Show | Detroit | USA | September | NAIAS.com |
| European Motor Show Brussels | Brussels | Belgium | January | Autosalon.be |
| Auto Expo | New Delhi | India | February (even years) | AutoExpo.in |
| Belgrade International Motor Show | Belgrade | Serbia | March | sajam.rs/en/ |
| Geneva International Motor Show | Geneva | Switzerland | March | gims.swiss |
| Bangkok International Motor Show | Bangkok | Thailand | March / April | bangkokmotorshowgroup.com |
| New York International Auto Show | New York | USA | March / April | www.autoshowny.com/ |
| AutoRAI | Amsterdam | Netherlands | April | AutoRAI.nl |
| Beijing International Automotive Exhibition | Beijing | China | April (even years) | China-AutoShow.com |
| Seoul Motor Show | Seoul | South Korea | April (odd years) | motorshow.or.kr/eng/ |
| Automobile Barcelona | Barcelona | Spain | May (odd years) | automobilebarcelona.com |
| Salón del Automóvil de Buenos Aires | Buenos Aires | Argentina | June (odd years) | elsalondelautomovil.com.ar |
| Moscow International Automobile Salon | Moscow | Russia | August–September | MAS-expo.ru Archived 2015-02-05 at the Wayback Machine |
| Internationale Automobil-Ausstellung | Hanover | Germany | September (even years, commercial) | IAA.de |
| Internationale Automobil-Ausstellung | Munich | Germany | September (odd years) | IAA.de |
| Mondial de l'Automobile | Paris | France | October (even years) | Mondial-Automobile.com Archived 2011-03-09 at the Wayback Machine |
| Sofia Motor Show | Sofia | Bulgaria | October (odd years) | sofiamotorshow.bg/ |
| Los Angeles Auto Show | Los Angeles | USA | November | LAautoshow.com |
| Tokyo Motor Show | Tokyo | Japan | December (odd years) | Tokyo-Motorshow.com |
| Bologna Motor Show | Bologna | Italy | December | MotorShow.it |