Shop Talk: Why has everybody stopped talking about biofuels? Biofuels used to be a major talking point in conversations about renewables, but they seem to have disappeared from the scene as solar and wind power have escalated as clean energy sources. Why the silence about biofuels? Do they still have a future? Are there technological breakthroughs in the offing? Do investment opportunities exist? To learn more, we asked biofuel and biomass expert Naoko Ellis, professor of chemical and biological engineering at the University of British Columbia, to join us. (10/2019)