Canadian researchers develop new biodiesel production method using sewage sludge

In Canada, researchers at the Institut National de la Recherche Scientifique (INRS) have developed a new approach to biodiesel production that uses microbes, sewage sludge, and a biofuel byproduct, bringing the production cost down to $0.72/L with an innovative new process. Their findings—in order to assess the costs, energy, and greenhouse gas emissions (GHG) —were published in the journal Bioresource Technology, in February. The process uses sewage sludge and glycerol, a byproduct of biodiesel. Processing sludge reduces GHG.