Mantra Energy Archives – The Green Optimistic green tech news, since 2008 Mon, 24 Mar 2014 14:49:19 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 Mantra Hydrogen Fuel Cell Vehicle Prototype is Cheaper https://www.greenoptimistic.com/mantra-hydrogen-fuel-cell-vehicle-prototype-cheaper-20140324/ https://www.greenoptimistic.com/mantra-hydrogen-fuel-cell-vehicle-prototype-cheaper-20140324/#comments Mon, 24 Mar 2014 14:49:19 +0000 https://www.greenoptimistic.com/?p=46611 The conventional hydrogen fuel cell is clean, but expensive, since it uses rare metals to maintain the longevity of the cell. Current hydrogen fuel cell technology uses a rare-metal impregnated PEM (proton exchange membrane) that keeps the two halves of the system apart and generates electrical current. Hydrogen protons pass through the PEM, but the […]

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