Canola, or called rapeseed in Europe, is a crop that is produced for oil for biodiesel. Canola typically grows in colder climates, and has somewhat low yields for oil.
I made this presentation at a biofuel conference in Florida in 2010. Copyright Eric Layton.
I just published a book about my biodiesel work at University of Florida: https://www.amazon.com/Project-University-Florida-Biodiesel-Station/dp/1539566463/ref=sr_1_1?ie=UTF8&qid=1480266425&sr=8-1&keywords=biodiesel+eric+layton
Here is my DIY Solar and Wind book that was published on Amazon: http://www.amazon.com/gp/product/1508454310/ref=as_li_tl?ie=UTF8&camp=1789&creative=390957&creativeASIN=1508454310&linkCode=as2&tag=erilaysyoucha-20&linkId=URNF3DPORKY4M5YR
Barnes and Noble Nook version of my DIY Solar and Wind Book: