http://pelletmillshop.com/Making-Pellets-from-Grass-in-6-Steps.html
In US, pellet stove is becoming a common method of home heating. Compared with traditional wood-burning stove, pellet stove is more convenient and energy-efficient. You can buy fuel pellets at hardware stores or feed stores. With a small grass pellet mill, you can also make your own pellets from grass (lawn clippings), waste paper, peanut shells or other biomass wastes which might end up in a landfill. In this way, the costs for heating can be reduced. Does this Spark an idea? So start saving today!