Used cooking oil transformed into biodiesel goes into gas station

Recycling and disposal of waste oils from kitchen and biodiesel selling have been a  problem for the city.Shanghai is trying to get B5 biodiesel into more than 200 gas     stations  this year.By then, more than 30,000 tons of waste cooking oil from Shanghai will  be   consumed by social vehicles every year.At the same time, due to some     biodiesel characteristics … Read More