Coffee As BioDiesel



Coffee grounds can be used for more than earthworm food and garden fertilizer. Spent coffee grounds are the latest addition of renewable natural plants to produce biodiesel fuel.

Americans drink more than 450,000,000 cups of coffee daily. Coffee, drank in moderation, can be healthful. Coffee contains antioxidants, which assists in preventing the onset of degenerative diseases.

Spent coffee grounds contain between 11 and 20 percent oil by weight. Almost about as much as the more commonly known rapeseed, palm, and soybean oil.

The scientists estimated, however, that 100 percent of the oil from the coffee grounds can potentially add 340 million gallons of biodiesel to the world's fuel supply.

Biodiesel can be added to regular diesel fuel, be a stand-alone fuel, or used as an alternative fuel for diesel engines.

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Author: Marilyn Pokorney
Freelance writer of science, nature, animals and the environment.
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