From Wales, a box to make biofuel from car fumes

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*Source: Reuters (http://www.reuters.com/article/scien...347220070719)*
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QUEENSFERRY (Reuters) - The world's richest corporations and finest minds spend billions trying to solve the problem of carbon emissions, but three fishing buddies in North Wales believe they have cracked it.

They have developed a box which they say can be fixed underneath a car in place of the exhaust to trap the greenhouse gases blamed for global warming -- including carbon dioxide and nitrous oxide -- and emit mostly water vapor.

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