Spent coffee grounds reveal a route to biodiesel and other bio-based products

Coffee grounds that usually end up being thrown away can have a second life as a raw material for producing biofuels and other high-value-added products.

A study by the Universitat Rovira i Virgili (URV) has evaluated how to extract oil from coffee grounds efficiently while preserving the rest of the plant material so that it can also be used in other processes. ...