If you are a grain farmer, you know what it is to clean seed for market. That being said, one of the seeds you will encounter is the wild mustard seed. This seed cannot be used for fuel, but it is high in oil and can be processed into bio diesel.
Friend of mine up north produced
enough fuel for his small operation to sustain himself for one year from cleaning his own crop. He told me that the cost was about the same to produce it as to buy it at current prices, so he was willing to continue buying diesel until prices go up.
What he really wanted to try next was making diesel from algae.
But that is all I know so far. My friend also told me that there is a seed cleaning company that runs its fleet from bio diesel they made from all the collected wild mustard.
Sustainable small scale farming is here, we just need to go out and grab it