Researchers said manure digesters – systems capturing methane from manure – can cut pollution but they come with risks. New ...

WASHINGTON, April 30, 2014 -- Just 25 miles from downtown Seattle, Jim Werkhoven and his brother Andy run a 1,100-head dairy farm that uses an anaerobic digester to process cow manure and pre-consumer ...

At a once-vacant brownfield on the South Side of Chicago, a semitruck backed into an unassuming warehouse and unloaded a colorful batch of food scraps and spoiled products. The discards soon ended up ...

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It is officially fall, and that means a trickle of trucks hauling sugarbeets into the Amalgamated Sugar factory facility in Nampa. The beets are harvested in the fall and are processed into sugar ...

A bill advanced from the Iowa House last week that would regulate anaerobic digesters, or systems that break down organic material in an oxygen-deprived system to produce usable biogas and fertilizer, ...

Sample digestion involves a chemical reaction for the digestion and leaves analyte ions suspended in the solution. Samples are typically heated to improve reaction times in a closed-vessel, ...

Iowa lawmakers advanced a bill to regulate anaerobic digesters on animal feeding operations. (Photo by Lance Cheung/USDA) A bill advanced from the Iowa House Thursday that would regulate anaerobic ...