Engines that use hydrogen as fuel are environmentally the most suitable, but a sufficient supply of fuel is the only impediment to the mass production of such engines. Metal- lurgical engineers from the Baikov Institute of the Russian Academy of Sciences, Baikov have now found a way out. An alloy of lantan and nickel that they have developed has the amazing property of absorbing, retaining and transmuting hydrogen at as low a temperature as 150C. The volume of hydrogen absorbed is almost 1,000 times more than the volume of the alloy itse'f and the alloy retains its initial efficiency of accumulation and absorption even after multiple uses.
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