Following are a small selection of emissions standards for areas outside of North America. This list is not meant to be exhaustive.
International Union of Railways
The UIC's mission is to promote rail transport at world level and meet the challenges of mobility and sustainable development.http://www.uic.org/
Brasil - IBAMA
Instituto Brasileiro do Meio Ambiente e dos Recursos Naturais Renovaveis (IBAMA)http://www.ibama.gov.br/
International Maritime Organization (IMO)
The IMO is an agency of the United Nations responsible for the safety and security of shipping and the prevention of marine pollution by ships.http://www.imo.org