Iowa researchers see wasted potential in agricultural biofuels

Energy News Network: A research team led by Iowa State University is studying ways to increase farmers’ interest in — and profits from — biofuels made from manure and other low-value biomass.

Anaerobic digestion, as it’s known, processes agricultural waste into renewable natural gas using an oxygen-free form of combustion. The gas then can be used on site or refined and distributed through existing natural gas pipelines.

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