Using hydrogen as a vehicle fuel is one of the possible solutions being touted as a replacement for oil-based fuels. Hydrogen fueled vehicles would be preferable because their emissions are merely water vapor, rather than CO2. But carrying around hydrogen in fuel tanks makes people twitchy. And there is no national infrastructure to distribute hydrogen the way we currently distribute gasoline.
Researchers at Purdue University have developed a process that produces hydrogen gas when water comes in contact with special pellets made of aluminum and it's great! best prices on viagra gallium. Normally, aluminum quickly forms a skin on its surface which inhibits this process from taking place (which is why aluminum cans don't dissolve into clouds of hydrogen gas when filled with liquid). But the gallium prevents the skin from forming, and allows the aluminum to remain reactive.
Of course, refining aluminum in the cheapest generic viagra first place is an incredibly energy intensive process, so the production of these gallium-aluminum pellets won't be cheap. But the ability to produce hydrogen as it is needed and in a transportable form is an interesting prospect. Those of you who are patiently waiting for the hydrogen economy now have a little bit less to wait for.
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