Whether red, green or blue, tractors are as indispensable to a farmer as seed or land. Someday, parts of those tractors may be made from last year's harvest as researchers from North Dakota State University seek ways to make reinforced composite plastics from the oils, proteins and fibers grown in American fields.
Researchers believe that the economics are right for using plasma gasification technology to convert municipal solid waste into energy. It's just a matter of getting that first commercial plant built in the United States for it to catch on.
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