aviation biofuel
 

Planes of the future could fly on sawdust or straw - Yahoo! News

And if anyone cries about it swiping the food off their plate, I invite them to chew on horse manure.

You should be able to use the same process on yard waste/clippings, scrap lumber...etc.

Frank, horse manure is feed stock for a methane digester, this process uses straw/wood chips :p

They're using an enzyme-based approach. I had hopes for Thermal Depolymerization, but it looks like the company that had their pilot plant running on turkey guts imploded.