With Sweetwater Biofuels’ Boston Seafood Show debut came the introduction of a new way for seafood companies to make and save money while earning sustainability points -- by selling fish fat off for conversion into biofuel.
The US company turns fish fat and cooking oil into a fuel replacement for number 6 heating oil, which is a syrupy, tar-like substance used to power industrial buildings, ocean liners and tankers. It has been known to collect at the water's edge and cause wildlife mortalities.
The
