Some of the cane is fermented to produce ethanol.
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For instances, most fermented drinks need to be boiled at some points, which will kill off bacteria, thus living off alcoholic beverages in times of cholera, others for dysentery and other types of water-borne illnesses.
To be fermented, cellulose must first be broken away from a plant stiffener called lignin.
Such sensitive souls tend to crunch apples with names like Honeycrisp and Royal Gala and leave the fermented juice of Broxwood Foxwhelp and Somerset Redstreak to a hairier variety of human.
In an area 129 square miles in size, white wine grapes are grown, the product of which will be fermented a second time inside the bottle to create the fizz that is the hallmark of champagne.
It's a red grape that, most of the world over, is pressed to extract clear juice, then fermented into a small component of sparkling wines, such as champagne.
Most small brewers prefer crafting ales rather than lagers because ale can be fermented in around two weeks, rather than up to 10 weeks for a lager, which ties up brewery capacity.
But what concerns your correspondent about this chapter is that it spends most of its time describing an apparently cheap, simple solution to climate change: a clever idea fermented in a small set of laboratories at Intellectual Ventures, a firm run by Nathan Myhrvold, who was once Microsoft's chief technology officer.
But having sipped a tiny mouthful of the half-fermented vintage - which will be called The Manuscript, in reference to the story about Mr Mandela burying his autobiography in the prison garden - I can tell you it tastes just fine.
To be sold as tequila in the U.S., the booze must be distilled from fermented liquid that is at least 51% the juice of the blue agave plant grown in the southwest Mexican state of Jalisco (and a few other areas).
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