FLOODWOOD, Minn. — Steve Traeger drives the 200-horsepower, all-wheel-drive tractor into a wall of willow and alder.
Brush and small trees bend and snap, and the BioBaler towed behind the tractor chews it up and packs it tightly into half-ton bales as if it were hay.
Supporters hope to prove that hundreds of thousands of acres of brushland across northern and central Minnesota might become a renewable source of carbon-neutral energy while creating better wildlife habitat for species such sharp-tailed grouse.
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