According to an article from the Eastern Oregonian newspaper, a Portland based company has proposed using waste tires and cow manure to make methane. The company wants to do this on a dairy farm called Threemile Canyon Farms, near Boardman, Oregon. The company, Northwest Biogas, is currently looking to get a permit from the Oregon Department of Environmental  Quality in order to store the waste tires. The company is seeking to use at least 40,000 waste tires. Northwest Biogas wants to use the [...more]