High-speed turbo blowers play a central role in a Texas treatment plant’s energy efficiency upgrade project

West Lafayette and Purdue University collaborate on a program to feed digesters with cafeteria scraps, boost methane production and save money

Solar energy brings quick cash flow for a New Jersey utility authority — and power generation with a biogas-fueled microturbine sweetens the deal

A Minnesota treatment plant applies microturbine cogeneration to cut natural gas and electricity costs and reduce the carbon footprint

Ventura County biosolids, once trucked a million miles a year, now are dried to provide daily cover material for a local landfill

Microturbine cogeneration and other energy-efficiency measures help a Wisconsin treatment plant toward the goal of being energy neutral

The treatment plant serving Delhi Charter Township stays green with measures from grounds maintenance to microturbine cogeneration