Analysis: Wood fuel poised to be next global commodity

(Reuters) - Wood fuel, one of the oldest energy sources on the planet, could become the newest commodity market if it can overcome supply limits and green concerns as demand grows for renewable energy.

Supply constraints are starting to put wood fuel into competition with the paper industry, experts say, in an uneasy reminder of existing tension between the food industry and companies making biofuels from food crops.

In theory burning wood and crop waste emits less carbon than fossil fuels because it simply returns to the air carbon accumulated by plants as they grow, but that balance breaks down if stock is not replanted, or natural forests are logged.

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