Coal and wood co-fired boiler technology has been significantly advancing in the past years, but many of their capabilities remain unknown to much of the industry today. The term "co-firing," when used by members of the biomass or utility communities, has come to mean mixing a modest amount of clean, dry sawdust with coal and burning the sawdust coal mixture in the existing coal firing equipment of a large, coal-burning, utility boiler. This work serves as a guideline to allow for coal-wood co-fired boilers to be sized, priced, implemented, and operated properly based on facility information....