Chicken Feathers

[Wrinkle]

Chicken feathers may become a much more efficient storage mechanism for hydrogen than carbon nanotubes, and cost way less, $200 vs $5.5 million per car.

http://www.renewableenergyworld.com/rea/news/article/2009/06/feather-fibers-fluff-up-hydrogen-storage-capacity

And, other uses for chicken feathers, like a cheap, strong roofing material, car parts or circuit boards means they have uses for another part of the chicken, something already in considerable availability.