Nine electricity-producing methane digesters are under development throughout the state despite initial financing hurdles. Digesters, located on dairy farms, convert manure into electricity by ...

Researchers modeled the impact of using anaerobic digestion to produce renewable natural gas from grassy biomass in different settings and from varying perspectives, analysis that helps flesh out the ...

Careful planning is needed because of high costs and uncertain returns from selling electricity. The first consideration is livestock numbers, said Richard Mattocks, an engineer with Environomics, a ...

AMES, Iowa – Strategically planting perennial grass throughout corn and soybean fields helps address the unintended environmental consequences of growing the dominant row crops, including soil erosion ...