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Comment Re:non polluting fuel my ass (Score 2, Insightful) 73

Every fuel takes more energy to produce than you can get out of it. This will be true whether the fuel is ethanol or anti-matter. It's the second law of thermodynamics.

What makes a fuel non-polluting is the waste products. A fuel that, when used, gives off water is non-polluting compared to a fuel that gives off carbon monoxide. In this case, if the polymeric nitrogen could be converted to the more stable triple-bonded molecule, you would get common molecular nitrogen and a lot of energy. Thus, this has the potential to be a non-polluting fuel source.

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