地沟油泛滥,已成为困扰国人的一大食品安全问题。据统计,我国每年返回餐桌的地沟油有200万吨以上,这意味着,国人每吃10顿饭,就有1顿可能会吃到地沟油。然而,正如同垃圾是放错了位置的资源一样,数量庞大的地沟油里,其实也潜藏着一个巨大的新兴产业——生物柴油。地沟油vs生物柴油,在这样的危与机中,我们该如何应对?未来,解决地沟油问题的出路又在哪里? The flood of oil has become a major food safety problem that plagues people. According to statistics, there are more than 2 million tons of cooking oil in our country which returns to the table every year. This means that people who eat 10 meals may have 1 tonne of cooking oil. However, just as garbage is a misplaced resource, the enormous amount of waste oil actually lurks a huge new industry - biodiesel. Trench oil vs biodiesel, in such a crisis machine, how do we deal with? The future, to solve the problem of waste oil and where the outlet?