Not all of the biomass crop gets converted into fuels. Some leaves, stalk stubble and all of the roots remain in the field as crop residues. This carbon rich organic matter adds to the soil fertility, and with each passing season a little more carbon dioxide from the air enters to soil, so the biomass fuel crops slowly reduce the amount of carbon dioxide from our polluted atmosphere.Biomass conversion through pyrolysis feminized seeds (applying high heat to organic material in the absence of air or in reduced air) produces clean burning charcoal to replace coal. Sulfur emitted from coal fired boiler smokestacks is the primary cause of acid rain. Measuring acidity on the pH scale, the rainfall in New England often falls between household vinegar and lemon juice. This is bad for every cell membrane the rain comes in contact with, doing the most harm to the simplest life forms. Charcoal contains no sulfur, so when it is burned for industry no sulfur is emitted from the process.

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