Siddique Khan and Tanweer test-detonated a 300-gram hydrogen peroxide mixture in the tribal areas.

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The process, which converts a mixture of hydrogen and carbon monoxide to liquid fuels, and was discovered by German scientists.

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That hydrogen and carbon monoxide mixture is then pumped into one of two NOx traps, where it strips the oxygen from the NOx, forming nitrogen, carbon dioxide and water.

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There's nothing new about turning coal into gas--19th-century street lamps burned "town gas, " a dangerous mixture of carbon monoxide and hydrogen, produced by blasting coal with steam.

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Meanwhile, other completely different approaches involve burning coal in pure oxygen (oxyfuel), or turning it into a mixture of carbon monoxide and hydrogen, which is then burned.

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He thus put together a collection of apparatus that would not have disgraced the set of a mad-scientist horror film, and filled it with a mixture of methane, ammonia, hydrogen and water vapour that matched contemporary ideas of what the primitive terrestrial atmosphere had been composed of.

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The inner two appear, from their densities, to have a lot of water or methane or ammonia in them (or any mixture of the three), along with hydrogen and helium.

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That mixture is then fed into a fuel reformer that turns it into a hydrogen-rich gas.

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