Hydrogen cars could very well be the future, freeing us from petroleum dependency, because it's an energy fuel that can give quite some punch without contributing to pollution. The only drawback is that... it's quite difficult to obtain when Dr. Manhattan isn't around.

At present, the main obstacle for hydrogen to get "mainstream" is the amount of energy needed to produce it. Said process is simplified when gas is used, but gas has more or less the same shortcomings that petroleum does.

In the quest for hydrogen, Thomas Wood, from the Department of Chemical Engineering at the A&M University, is pretty sure to have found a way to use a genetically modified bacteria to help making hydrogen. By "simply" removing six genes from the E.Coli bacteria, you actually get a small hydrogen factory. The big if about all this, at the moment, is that the bacteria needs sugar, as much as a man's weight (every day) to satisfy the energy needs of an average American family.

Link: TG Daily.

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