Since 2006, Dunkin’ Donuts has used the tagline “America Runs on Dunkin’,” presumably alluding to the coffee and donuts that get millions of Americans through each morning. But maybe, all along, they’ve had something more in mind. Above, Dunkin’ presents a tiny home powered by biofuel made from spent coffee grounds, a process masterminded by a company called Blue Marble Biomaterials. Working with luxury tiny homebuilder New Frontier Tiny Homes, they’ve created a process–notes a Dunkin’ press release–that works something like this:
- Step 1: Extract excess oils in the spent coffee grounds. There can be natural oils left in spent coffee grounds, all depending on the coffee bean type and original processing methods.
- Step 2: Mix and react. These oils are then mixed with an alcohol to undergo a chemical reaction known as transesterification. This produces biodiesel and glycerin as a byproduct.
- Step 3: Refine. The biodiesel is washed and refined to create the final product.
When all is said and done, 170 pounds of used coffee grounds translates into one gallon of fuel. From 65,000 pounds of coffee grounds, you got enough juice to power a 275 square foot home, at least for a while.
Take a 360 degree interactive tour of the tiny home here.
How to Make the World’s Smallest Cup of Coffee, from Just One Coffee Bean
A Rollicking French Animation on the Perils of Drinking a Little Too Much Coffee
Philosophers Drinking Coffee: The Excessive Habits of Kant, Voltaire & Kierkegaard
David Lynch Directs a Mini-Season of Twin Peaks in the Form of Japanese Coffee Commercials
J.S. Bach’s Comic Opera, “The Coffee Cantata,” Sings the Praises of the Great Stimulating Drink (1735)
“The Virtues of Coffee” Explained in 1690 Ad: The Cure for Lethargy, Scurvy, Dropsy, Gout & More
Cool, but I hope it never takes-off. History has shown when food becomes a source of fuel, it exponentially drives the costs of those staples up; and the effect hurts the poor who use that same product at the end-of-the-day…leave our cup of morning-joe alone, it’s thankfully cheap for now!
Fake news. My household has been powered by coffee for decades.