The industrial demonstration plant BioGNVal, converting part of Paris' waste water into biofuel. Photo: Cyro Pur

The business turning sewage sludge into fuel

French company Cyro Pur converts biogas into ‘pipeline quality ’liquefied natural gas

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The industrial demonstration plant BioGNVal, converting part of Paris' waste water into biofuel. Photo: Cyro Pur
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