You would think that it's depressing that glucose's price has gone up by 30% and is still rising, right?

Biofuel production really means rainforest destruction and increasing food prices. Used cooking oil is great but biofuels grown on agricultural or rainforest land will only add to global warming, climate change, habitat destruction and possibly lack of oxygen for the planet.

An article on China's biofuel expansion ....http://turbulentissues.com/?p=103