Digester methane (biogas) is gaining huge favor as a renewable fuel — it has come to be seen as part of the nation's effort to conserve fossil fuels and reduce greenhouse gas emissions. But how many wastewater treatment plants produce biogas? And what do they do with it? What is this fuel's true potential?
A research project led by the North East Biosolids and Residuals Association (NEBRA) and the Black & Veatch consulting engineering firm set out to answer those questions. Using seed money supplied by the Water Environment Federation (WEF), and with















