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Burning Wood Pellets



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From today’s WSJ:

Some of the fastest growing sources of renewable energy in the world are the wind, the sun — and the lowly wood pellet.

European utilities are snapping up the small combustible pellets to burn alongside coal in existing power plants. As a global marketplace emerges to feed their growing appetite for pellets, the Southeastern U.S. is becoming a major exporter, with pellet factories sprouting in Florida, Alabama and Arkansas.

Wood pellets — cylinders of dried shredded wood that resemble large vitamins — are the least expensive way to meet European renewable-energy mandates, utility executives and industry consultants say.

Made from fast-growing trees or sawdust, pellets are a pricier fuel than coal, but burning them is a less-expensive way to generate electricity than using windmills or solar panels. Burning pellets releases the carbon that the trees would emit anyway when they die and decompose, so the process is widely regarded as largely carbon neutral. In contrast, carbon is locked away in coal and is only released once the coal is dug out of the earth and burned.

The wood-pellet market is booming because the European Union has rules requiring member countries to generate 20% of their electricity from renewable sources by 2020. Europe imported €66.2 million (about $92.6 million) of pellets and other wood-based fuels in the first three months of 2009, up 62% from the same period a year earlier, according to the EU’s statistical arm.



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