Czech scientists from Tomas Bata University have developed a process that converts highly toxic tannery waste into what they say is a cheaper, cleaner form of biofuel than that currently on the market.Instead of using the pure vegetable oils or fats currently used to produce biofuel they found their answer in a tannery, where fleshings, a leftover fat from leather production, are in plentiful supply. According to researchers, fleshings, a grey sludge-like substance, contain all the ingredients for biodiesel.
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