Researchers read the coffee grounds and find a promising energy resource for the future.
"For many of us, it's the fuel that wakes us up and gets us started on our day.
Now, University of Cincinnati researchers are discovering that an ingredient in our old coffee grounds might someday serve as a cheaper, cleaner fuel for our cars, furnaces and other energy sources."
http://phys.org/news/2013-09-coffee-grounds-energy-resource-future.html