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Using a two-step technology, researchers at Washington State University turn 83% of the carbon in sewage sludge into valuable, pipeline-quality renewable natural gas, while cutting treatment costs almost in half.
Within a single week, the European Investment Fund launched one of Europe's largest biomethane infrastructure funds with a €200 million investment, while the EU's Fertiliser Action Plan declared digestate a key resource for circular agriculture.
Two new industry documents – the IGU's 2026 assessment and the Joint Biomethane Declaration – agree: biomethane is Europe's only immediate, scalable domestic alternative to imported gas.