Having Biodiesel Second Thoughts

The Truth?

Here's yesterday's post from The Gristmill about the potential environmental ills caused by industrial agriculture-scaled biodiesel production. Rather than remaining one of those "Heart in the right place but not thinking" types that Russ Finley describes, it seems that I have some reading to do about the true pros and cons of biodiesel and whether it can be sustainably produced beyond waste-fryer oil. If you're interested, here are the links from Gristmill's comment section:
NewsScientist article
Sustainable Biodiesel Alliance