A recent report by First Gas, Fonterra and engineering firm Beca has found that biogas could make up substaintial amounts of New Zealand's gas consumption. The report claims that biofuel could reduce four percent of greenhouse-gas emissions and make up almost three quarters of commercial gas use. Louis Macalister speaks to Jack Timings, Process Engineer in the Industrial Sustainability Team at Beca about the potential for biogas to be used in Aotearoa.