The bedding is made from scratch by blending naturally absorbent, reclaimed paper fibers with proprietary odor control ingredients. (petbusiness.com)
Using paper fiber as fuel reduces the amount of CO2 permanently released into the environment compared to the burning of fossil fuels, such as coal, that are not renewable. (hubpages.com)
That is another important argument for the use of paper fiber in co-generation. (hubpages.com)