This might be useful for all the great coffee shops in Nashville to use their used coffee grounds this way as opposed to having to throw them out or use them for compost. The University of Nevada had three chemical engineers who believed they could extract oil from the used beans and convert them to a biodiesel fuel.
As it turns out, 15% of used coffee beans are oil and that could be very valuable to anyone using oil because the world produces and consumes over 16 billion pounds of coffee per year.
Read more of this interesting story at ARS Technica.
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