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Rolf Weberg, the new director of the Natural Resources Research Institute, sits beside the institute’s pilot scale wood thermal modification kiln on Thursday. Weberg formerly worked at DuPont. (Bob King /

New director has vision for University of Minnesota Duluth's NRRI

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Rolf Weberg knows what his job is and why it may not be easy.

The new director of the Natural Resources Research Institute understands that. At first blush, the NRRI might seem to have a Jekyll and Hyde personality.

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