World's first poop-fueled bus begins operation in UK

(NaturalNews) Continental Europe and the UK have been utilizing methane created from waste materials that include human sewage and food waste to generate electric power in smaller regions. Those same power plants that depend on waste matter spoiling under controlled environments to...

from NaturalNews.com http://www.naturalnews.com/048125_methane_alternative_fuel_greenhouse_gases.html