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6 things you can do with coffee grounds

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Cuppa coffee, from Flickr
Cuppa coffee, from Flickr

These days, the words “coffee” and “fuel” are half-jokingly synonymous. More than 9 million tons of the bean are produced annually around the world and, once we brew it, an awful lot of waste is left behind. The bulk of coffee grounds ends up in landfills.

An environmental advantage

Researchers in South Korea, however, have discovered a way of using coffee grounds as a fuel in a far more literal sense.

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