“So, as RNG project development has focused on these larger volumes of feedstock, and thankfully, from an environmental standpoint, that also means you’re getting the most methane-emission reduction,” Serfass said, “because you’re taking these large manure lagoons or large volumes of food waste or large volumes of wastewater sludge that are already producing methane into the atmosphere, you’re now capturing almost 100% of that methane. “The main point of all of this is what are you going to do with all of the organic material that we have in the U.S. if you don’t recycle it?” More >>