From New Scientist 12/11/07

A new microbe-powered device can extract up to 99% of the available hydrogen from biological compounds that have stumped previous attempts to ferment fuel from plant waste. The secret is to give the bugs a helping hand with a kick of electric charge.

Hydrogen is an environmentally friendly fuel because burning it creates only water as a waste product. But finding an efficient, clean way to produce hydrogen in the first place is difficult.

These guys have achieved something previously pronounced as being impossible.

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