Climate change is a problem in a world that is rapidly urbanizing. The magnitude of the problem is overwhelming. By 2050, about 8 billion people are expected to live within one day’s travel of cities. We need to do more than we already are.
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Bio-Butanol fuel can be used as fuel in an internal combustion engine and is prodcued by fermentation of biomass. The researchers from Edinburgh Napier University have taken it to another level and begun using two main by-products of the whiskey production process- "pot ale"- the liquid from the copper stills, and "draff"- the spent grains for producing butanol for fuel.