Microbes engineered for direct conversion of biomass to fuel

The promise of affordable transportation fuels from biomass -- a sustainable, carbon neutral route to American energy independence -- has been left perpetually on hold by the economics of the conversion process. Researchers have overcome this hurdle allowing the direct conversion of switchgrass to fuel. The study, in the Proceedings of the National Academy of Sciences, documents the direct conversion of biomass to biofuel without pre-treatment, using the engineered bacterium Caldicellulosiruptor bescii.

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