The demand for biodiesel is up so sharply that world-wide industries are ramping up non-petro oil production. Soy bean oil predominates in the U.S., but palm oil is cheaper to produce. So the last remaining vestiges of rain forests in Thailand, Malaysia, Singapore and Indonesia are being razed to make way for palm oil production. Salon:
Biodiesel activists have responded to the latest depressing news by calling for biodiesel labeling. For those of us in Berkeley, already carefully distinguishing between farm-raised and wild salmon, and searching for our free-range chickens certified to have passed away happily in their sleep, it will be one more thing to pay attention to. Biodiesel from used French fry oil: good. Biodiesel from Thailand: bad.
Better way: Use less oil.