[GunRunner]

Biodiesel has the same problems as ethanol; we don't have enough arable land to grow enough crops for it.

Says who? Sounds like the same people who warn that "the planet is running out of oil".

This is a fuel that is readily available now, for engines that we have now that require little or no modification. Where's your electric car?

[JamesP81]

Says who? Sounds like the same people who warn that "the planet is running out of oil".

Says folks who manufacture it. You can't get enough out of an acre of land in order for it to be feasible. There's simply not enough arable land for this plan to work. It is not a workable solution in the long term.