“It’s free cooking gas,” said Monica Alinea.
Monica Alinea and her husband, Tim, are proud owners of a HomeBiogas system.
Situated in the sunny backyard of their Pensacola, Florida home, the system looks like a 7-foot rectangular, black balloon. But it’s not inflated with air, it’s methane.
The Alineas use HomeBiogas, a product that transforms household food waste into cooking gas through a composting process called anaerobic digestion. The product became commercially available in 2016, according to the HomeBiogas website.
Shakira Hobbs is an assistant professor of civil engineering at the University of Kentucky and did her postdoctoral research at the University of Virginia. Hobbs researches sustainable environmental engineering and compares anaerobic digestion to the human digestive system.
“If I eat an apple, I chew it up and I break it into smaller pieces, and then it goes down my esophagus and eventually into my stomach,” Hobbs said. “I have