> Just a bit of pity there isn't enough land to grow enough crops
> to provide more than about 10% of the diesel demand (that's
> from the biodiesel suppliers own "trade group". Getting
> a few basic facts right would be a good idea - biodiesel may
> help a bit in the short term, but it's not a long term solution.
And the other bit of info often forgotten is this: To grow any sort of half decent crop of rapeseed (or whatever) requires nitrogen fertilizer. Fertiliser manufacture requires large amounts of energy from gas, oil, coal or whatever. As I see it the biodiesel thing is largely snake oil!
Julian.