A Chicago-area district has net-zero energy in sight for its wastewater treatment plant through efficiency improvements and biogas production augmented by FOG.

In a pilot project, biogas feeds a fuel cell that powers a Microsoft modular data plant and provides electricity and heat for a water reclamation facility.

Essex Junction’s wastewater plant team and a local farmer combine resources to enhance soil and crops while protecting the waters of Lake Champlain.

As clean-water plants increasingly look to save energy and maximize energy production, the U.S. EPA offers assistance on combined heat and power.

New-style turbo blowers allow a New York treatment plant to save money for ratepayers and fund collection system improvements