Fuel to be able to heat up water to cook your rice and beans. He doesn’t say anything about that. Charcoal, propane, or a couple of cords of wood...
Take a look at these two threads:
My Ammo Can Rocket Stove
http://www.freerepublic.com/focus/f-chat/2914240/posts
Ammo Can Rocket Stove
http://www.freerepublic.com/focus/f-bloggers/2850938/posts
Put the rice and flours in the freezer to kill the bugs.