The city of Oslo is converting 80 municipal buses to run on biomethane captured from human waste, a novel, if somewhat disgusting, approach to cutting CO2 emissions and meeting Norway's ambitious plan to be carbon-neutral by 2050.
Beginning in September, the two sewage treatment plants in Norway's capital will collect methane, a byproduct of the microbial process that breaks down sewage, and pump it into city buses. City officials say the switch will cut fuel costs and reduce the amount of carbon dioxide released into the atmosphere by both the treatment plants and the buses.
Read the rest of the story here.[HT: Erica Johnson]