It is still unclear whether the hydrogen represents the release of water by the heat of the impact, or whether it simply sheds light on the way that water is formed on the Moon from its chemical constituents.

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If it is ultimately fuelled by methanol, it needs a chemical reactor, known as a reformer, to release the hydrogen.

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This meant likely degradation of their zirconium alloy cladding, the possible release of hydrogen, and - by Tepco's admission - the risk that a nuclear chain reaction could begin.

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It treats the wastewater more effectively, and doesn't have any of the environmental drawbacks of that technology, such as production of unwanted hydrogen sulfide or possible release of methane, a potent greenhouse gas.

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This is a device that reacts hydrogen and oxygen together to release electrical energy.

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Fuel cells which produce electricity from the combination of hydrogen and oxygen, would supplement other energy sources and release only water vapour into the environment.

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That's just 10% what the plant emits, but Jones argues Skyonic should get credit for avoiding 220, 000 tons of carbon dioxide because it is creating products, like hydrogen, that would otherwise come from natural gas and release lots of carbon dioxide.

FORBES: Page 2 of 2

But in the short term, researchers are working on reformers which produce hydrogen aboard vehicles by extracting the gas from methanol or other hydrocarbon fuels -- a process that can release pollutants, though at far lower levels than internal combustion engines, Roan said.

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