What do you do with vegetable oil after use? Flush it down the drain? You could convert it into biodiesel, as PES University students have been doing for the past three years.
SH Kavitha, PhD student, department of biotechnology, has been converting used vegetable oil from different sources into biodiesel at the university’s lab, which is used to run 40 college buses as well as steam boilers at the boys’ hostel.
“When you fry something in edible oil, twice or more times, the oil becomes toxic and is not fit to consume. Most throw it away in the drain. This only adds to pollution. We wanted to put an end to this and began researching with waste vegetable oil in 2010,” Kavitha told TOI. Read More