Read the article Power to the Poop found here: https://www.theguardian.com/environment/2016/jan/16/colorado-grand-junction-persigo-wastewater-treatment-plant-human-waste-renewable-energy and answer the following questions.
1) Explain the process by which human poop is used to fuel vehicles in Colorado.
2) What are some of the specific advantages of this method of fueling vehicles?
3) What are some of the disadvantages of this method of fueling vehicles? Why isn't it more popular?