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coffee grounds


Used coffee grounds could be used to make biodiesel

There's more energy in that morning mochachino than just the caffeine. You know that bit of foam you get on the top of your espresso before you start adding all the steamed milk, sugar, and assorted flavorings to the point where you can't even taste the coffee anymore? That foam comes from the fact that coffee beans contain oil. Even after the beans are ground and brewed into assorted drinks, some of the oil still remains. As a biomass product with 15 percent oil in it, those leftover coffee grounds from the tens of thousands of coffee shops ... Read more →

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