Sentences with phrase «even municipal waste»
The best answer may be biomass: woody waste and — in slightly trickier forms — cow manure and even municipal waste that could power and heat entire towns in the United States.
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That cellulose could come from a native plant like switchgrass, or even from municipal waste.
The feedstock for the new process is levulinic acid, which can be produced by chemical processing of materials such as straw, corn stalks or even municipal green waste.