/channels/taxonomy/term/13851/all en /channels/news/researchers-turn-fish-waste-coffee-scented-biofuel-257335 <p>Before that beautiful salmon filet lands on your plate, a lot of less appetizing stuff gets stripped away: By one estimate, the global seafood industry produces 64 million metric tons of waste each year. A new study suggests a potentially sweeter fate for all those heads and guts: They can be turned into a coal-like substance called hydrochar, which could be used as fuel or added to soil to improve fertility and sequester carbon (Energy Fuels 2015, DOI: 10.1021/acs.energyfuels.5b01671).</p> Wed, 16 Dec 2015 16:11:11 +0000 webfull 114640 at /channels