Turning Used Cooking Oil Into Biofuel

choi

Cindy Atoji Keene, Used Cooking Oil Has Its Uses Still. Boston Globe, Nov 11, 2012 (title and date in print).
http://www.boston.com/jobs/news/ ... ompany_powered.html

My comment:
(a) The report details how to do it.
(b) Chinese were angry about collecting used cooking oil from ditches. Maybe there is a more benign reason--at least hopefully so.