Other countries and jurisdictions
that have adopted U.S. standards, test procedures
or both include Brazil, Chile, Hong Kong, Taiwan
(China), several Western European countries, the Republic
of Korea (South Korea), and Singapore (for motorcycles
only). The generally less-stringent standards
and test procedures established by the United Nations
Economic Commission for Europe (ECE) are used in the
European Union, in a number of former Eastern bloc
countries, and in some Asian countries. Japan has also
established a set of emission standards and testing procedures
that have been adopted by some other East
Asian countries as supplementary standards.