What government imposed barriers stop or hinder the export of automobiles?

"export" as in shipping to other countries i think?!

4 answers

http://www.google.com/search?q=government+imposed+barriers+stop+or+hinder+exports&rls=com.microsoft:en-us:IE-SearchBox&ie=UTF-8&oe=UTF-8&sourceid=ie7&rlz=1I7SUNA
copper,aluminum,iron,glass,foam,paint,plastic
NAFTA (north american free trade agreement) stops or hinders the export of automobiles.
you didn't help me! what the even heck