Biodiesel

Sadie hammers the bio-fuel lobby.

Here's another criticism:

The last thing we need to do is to give additional incentives to grain monoculture. Clean cultivation around corn already results in massive erosion annually. Imagine if economic factors brought marginal hillside land into production. The ol' Mississippi just got a whole lot muddier.

I'm rooting for fuel cells. If only there was an efficient way to pluck the hydrogen out of the air...