Instead of just land fill the green waste, transform it into valuable compose product. Green waste is usually produced by the residential lawn, commercial lawn garden and tree trimmings. Due to high-level of nitrogen present in the green waste, it can be used as valuable ingredient to composting production and soil health. The material, which can be processed including grass clipping, yard and bush trimming, tree branches, natural untreated wood, weeds, pam trees and bark. RBS Heavy Machinery shaft system with its effective cutting geometry ensures that the material is shredded and NOT squeezed. For further utilization of these resources in bio-fuel power plants, it is first necessary to prepare the materials accordingly.