I thought that people might be interested in this article. The author argues that saving the penny might act to prevent run away inflation... basically using zinc and copper as a "gold standard" to keep the bank of Canada in check.
http://www.theglobeandmail.com/report-on-business/commentary/neil-reynolds/an-easy-inflation-killing-idea-save-the-penny/article1866280/?source=patrick.net#masthead
From that article... “Instead of putting the valueless and worthless penny out of its misery,” he says, “we should rally behind it. The penny is dead! Long live the penny!”