After more than a decade at Agritechnology, Michele Stansfield helped turn a regional Australian fermentation business into Cauldron Ferm. Her wager: keep the microbes working, make the factories more efficient, and give new ingredients a chance to compete on price.
Fermentation usually grows by buying a bigger tank. Pow.Bio split the job between two tanks, taught software to mind the process, and found that the smarter factory may be the smaller one.
Most biofuels get stuck in the same trap: make the alcohol, then spend a fortune pulling it out of the water. A four-person Houston team engineered a yeast whose product simply volatilizes away - and they think that changes the math.