Farmers and a company that want to build a manure digester in Winneshiek County will reapply for a permit because the county ...

An anaerobic digestion plant is a power facility that can produce methane from manure. “Decentralized energy production systems provide opportunities for resource exploitation locally ...

They fear that without strict regulation, manure digesters could make water and air pollution worse, not better. Industrial-sized farms, including concentrated animal feeding operations (CAFOs), ...

STATE CENTER — Iowa OSHA is investigating a central Iowa biogas digester after a whistleblower alleged that a 2023 fire ...

This story has been updated with additional information since initial publication. — Workers have largely cleaned up a manure spill attributed to a tank failure that occurred Friday at the Meadow Star ...

The West Central Tribune says Meadow Star Dairy officials have told them workers have largely cleaned up a manure spill ...

A 20-acre corn field in Madison County is at the center of a heated debate as Massachusetts-based Vanguard Renewables ...

In addition, horses may have access to more nutritious feeds than cows, making their manure more nutrient-dense for creating ...

W2E pays farmers for their manure, turning the farmer’s cost center into a revenue producer. Also, unlike anaerobic digesters, W2E’s process does not generate digestate, saving farmers from ...