The International Organization of Motor Vehicle Manufacturers[1] (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.
[2] OICA hosts on its web site the working documents from various United Nations expert groups, including World Forum for Harmonization of Vehicle Regulations.
[3] 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.
Note that only the passenger car segment is included in this list, while other exhibitions exist for heavy commercial vehicles: