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Message:: [QUOTE="desertgem, post: 1831415, member: 15199"]The future for platinum, palldium and Rhodium depend highly on the demand for metal based catalytic converters for petroleum based engines. In the last few years, especially as PM reaches highs , the push for non PM based CC came into scientific research. Here is just the latest I have heard of, but there are plenty more in the  development pathway. <a href="http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&cad=rja&ved=0CEQQFjAB&url=http%3A%2F%2Fwww.sciencedaily.com%2Freleases%2F2013%2F09%2F130923143630.htm&ei=LCiuUqSHAdH5oATnmoGICQ&usg=AFQjCNGL1cPQ-rYa4KWNUSlmBaG2oECNfg&sig2=b_BbPG90ocuk3mMuZKo8WA&bvm=bv.57967247,d.cGU" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&cad=rja&ved=0CEQQFjAB&url=http%3A%2F%2Fwww.sciencedaily.com%2Freleases%2F2013%2F09%2F130923143630.htm&ei=LCiuUqSHAdH5oATnmoGICQ&usg=AFQjCNGL1cPQ-rYa4KWNUSlmBaG2oECNfg&sig2=b_BbPG90ocuk3mMuZKo8WA&bvm=bv.57967247,d.cGU" rel="nofollow">http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&cad=rja&ved=0CEQQFjAB&url=http://www.sciencedaily.com/releases/2013/09/130923143630.htm&ei=LCiuUqSHAdH5oATnmoGICQ&usg=AFQjCNGL1cPQ-rYa4KWNUSlmBaG2oECNfg&sig2=b_BbPG90ocuk3mMuZKo8WA&bvm=bv.57967247,d.cGU</a> Rhodium will continue to be in demand for cladding white gold and silver jewelry objects for  resistantcy to tarnish and rub.[/QUOTE]