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Iowa energy bill aims to create new regulations for anaerobic digestion systems

February 20, 2025

BY Erin Voegele

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ABC: America’s wastewater plants could be a much bigger source of renewable power

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By American Biogas Council

18 hours ago

Biogas Business 

According to data released by the ABC, 1,200 wastewater treatment plants across the U.S. currently capture and use biogas produced from wastewater sludge. Together, these facilities capture more than 100 billion cubic feet of biogas annually.

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Ameresco Inc. on Aug. 31 announced the groundbreaking of a renewable natural gas (RNG) facility being developed by Ameresco through its subsidiary Neogenyx Fuels at the Adams Land & Cattle feedlot in Broken Bow, Nebraska.

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The IRS on Aug. 8 issued guidance on the 45Z clean fuel production credit that provides the 2026 emission rate tables used to calculate the credit and provides guidance on the use of manure-derived fuels and regenerative agriculture practices.

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The U.S. Department of Energy on Sept. 8 released an update of its 45ZCF-GREET model, which is used to calculate fuel emissions rates for the 45Z clean fuel production credit. The agency previously updated the model in June 2026.

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HASI announces investment in wastewater infrastructure facility

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By HA Sustainable Infrastructure Capital Inc.

September 08, 2026

HA Sustainable Infrastructure Capital Inc. has announced the closing of a structured equity investment in the Pasco Resource Recovery Center, a wastewater treatment and reuse facility serving the City of Pasco in Washington State.

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