"From Black Water to Green Energy," by Brandon Levy on PBS' Nova Next, shares a pilot system by the public utility, Metro Vancouver, based on converting human sewage into oil and natural gas at its wastewater treatment plant in Annacis Island, British Columbia. Civil and Environmental Engineering Professor Timothy Strathmann served as an expert resource in clarifying the challenging facing the project: "Even if Metro Vancouver proves Genifuel’s claims, there are still economic hurdles to clear. Refining the biocrude into traditional fuels like gasoline and diesel could require expensive ....