The National Renewable Energy Laboratory and Johnson Matthey have struck a 5-year, $7 million partnership aimed at reducing the cost of converting trees and switchgrass into fuel by developing catalysts that will break down the material's lignins. "The challenge is that catalysts are expensive, and the impurities tend to inactivate the catalyst. And that hurts the economics," said Ken Reardon, a Colorado State University professor.

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The Denver Post

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