Community | October 30, 2008 | 2 comments

Hydrogen-Producing Bacteria Provide Clean Energy

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Bigdog_mike
In order to solve global energy shortages, renewable sources of energy — such as hydrogen — that don't produce pollutants or greenhouse gases are needed. Fossil fuels such as coal, oil, and natural gas are considered nonrenewable energy sources and have been accused of causing global warmingdue to their emissions of carbon dioxide.

Using a selecting agent to grow only these bacteria, the teams identified a gene that inactivates the bacteria's hydrogen uptake system so that all of the hydrogen produced is released. Because the bacterial cells cannot recycle the hydrogen, the hydrogen they produce can be captured and used as a fuel whose byproduct is water and heat

If successful, the invention holds the promise of hydrogen as a source for use in fuel cell technology. Fuel cell energy works by combining hydrogen and oxygen in order to produce electricity and water, which are considered more efficient, quiet, and pollution-free in comparison with other power sources.

very cool stuff more at source!
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