It's Only Money

In the words of junior wizard Randy Leonard: "The best way to bridge the urban-rural divide is with good old American greenbacks."   Yours.

How much diesel fuel will it take the tractors to plow and plant the canola of which Randy's so enamored?  How much petro-based pesticides and fertilizers will be involved?  How much diesel fuel will it take to harvest and transport the canola to the biodiesel plant?

What's the actual cost of Randy's Green Dream?  Want to bet that when all factors are taken into consideration, ROI falls into negative numbers?