Effluent generates piggery power affluence

Updated October 17 2018 - 4:28pm, first published 3:30pm
A covered anaerobic pond at a 20,000 grow-out piggery in NSW.
A covered anaerobic pond at a 20,000 grow-out piggery in NSW.

More than 20 per cent of Australia’s housed pigs are now powering biogas bioenergy systems.

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