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Tuesday, July 31, 2012

Methanogen-- artifically produced methane

Methanobacterium palustre (methanogen), otherwise known as artificially manufactured methane seem to me to be the most eco-friendly of all the alternative fuels I have read about!

First off its production does not require a feed that other alternatives require. This chart exemplifies what I am talking about in regards to the conventional bio-gassses. It shows what feedstock yields in the way of biogas:
biogas feedstocks and their yield, photo courtesy of http://www.biogas-info.co.uk/index.php/biogas-yields.html

So the production of Methanogen will not affect food prices such as the production of ethanol and soy diesel do for instance.

See the production of Methanogen is done with the use of just only two products-- microbes called methanogen and electricity. According to Alfred Spormann, professor at Stanford, burning methane produced by these microbes, do not contribute to atmospheric carbon dioxide. The microbes use CO2 from air to form methane, hence, burning the fuel just returns the extracted gas. Whereas burning fossil fuels release CO2 previously trapped underground for millennia. So, this method of producing artificial methane would contribute absolutely zero to global warming.

Furthermore electricity from renewable resources such as solar and wind would make the entire process carbon neutral. This novel process was designed by Stanford in collaboration with Penn State, and I hope we soon see utility scale production facility that will be able to pump out millions of tons of Methanogen!

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