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"&lt;p&gt;Recently formed alliances of fuel-cell start-up companies and engineering-polymer suppliers are already bearing fruit. Their research is coming up with new ion-conducting plastic films for use in Proton Exchange Membrane (PEM) fuel cells. These novel membranes are said to generate electric current more easily, operate across a broader temperature range, and cost less than the incumbent materials, which are mainly sulfonated fluoropolymers.&lt;/p&gt;"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.ptonline.com/articles/new-specialty-polymers-improve-fuel-cell-economics>