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Anaerobic digestion is the breakdown of organic material by micro-organisms in the absence of oxygen. Although this takes place naturally within a landfill, the term normally describes an artificially accelerated operation in closed vessels, resulting in a relatively stable solid residue

Anaerobic digestion is the breakdown of organic material by micro-organisms in the absence of oxygen. Although this takes place naturally within a landfill, the term normally describes an artificially accelerated operation in closed vessels, resulting in a relatively stable solid residue

Anaerobic digestion is the breakdown of organic material by micro-organisms in the absence of oxygen. Although this takes place naturally within a landfill, the term normally describes an artificially accelerated operation in closed vessels, resulting in a relatively stable solid residue

Anaerobic digestion is the breakdown of organic material by micro-organisms in the absence of oxygen. Although this takes place naturally within a landfill, the term normally describes an artificially accelerated operation in closed vessels, resulting in a relatively stable solid residue

Anaerobic digestion is the breakdown of organic material by micro-organisms in the absence of oxygen. Although this takes place naturally within a landfill, the term normally describes an artificially accelerated operation in closed vessels, resulting in a relatively stable solid residue

Anaerobic digestion is the breakdown of organic material by micro-organisms in the absence of oxygen. Although this takes place naturally within a landfill, the term normally describes an artificially accelerated operation in closed vessels, resulting in a relatively stable solid residue

Anaerobic digestion is the breakdown of organic material by micro-organisms in the absence of oxygen. Although this takes place naturally within a landfill, the term normally describes an artificially accelerated operation in closed vessels, resulting in a relatively stable solid residue

Anaerobic digestion is the breakdown of organic material by micro-organisms in the absence of oxygen. Although this takes place naturally within a landfill, the term normally describes an artificially accelerated operation in closed vessels, resulting in a relatively stable solid residue

TheAsahi Shimbun reports that in looking at alternative fuels, nothing goes to waste when Honda Motor Co. gets involved. The automaker is hard at work trying to produce bioethanol from rice straw and other inedible waste, a welcome development given that food prices are rising as demand grows for biofuel …

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