The municipality of Uppsala, Sweden has implemented several initiatives to increase the use of biogas as a transportation fuel and decrease greenhouse gas emissions. Uppsala has a goal to reduce per capita emissions 50% by 2020 and to 0.5 tons per capita by 2050. The city produces biogas from food waste, sewage, and slaughterhouse waste and uses it to fuel over 70 public transportation buses. Uppsala also educates citizens on the importance of proper waste sorting to produce biogas. Plans through 2015 include expanding biogas production facilities and further phasing out liquefied natural gas to fuel more buses with biogas. Challenges going forward include ensuring long-term biomass availability and developing technologies to