The lumber yard in Enfield held hundreds of stacked spruce and fir logs at the turn of the new year, ready to be transformed into boards and used to build whatever a carpenter might dream up.
But a sawmill’s work also produces wood chips — billions of them — and they are often either left unused, sent to pulp and paper mills, or turned into biofuel.
But a new use is coming into view: biochar.
Source: Bangor Daily News
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