When you get to the screen, press pause and let it download. It'll take a while. I've been wanting to make my own Biodiesel for a while now.
Part 1:
http://www.youtube.com/watch?v=UcKpIB1HYKM&search=Diesel%20
Part 2:
http://www.youtube.com/watch?v=jaaFsWNqLPI&search=Diesel%20