Gevo, Inc., a NARA partner, successfully adapted its patented technologies to convert cellulosic sugars derived from wood waste into renewable isobutanol, which was then converted into Gevo's Alcohol - to - Jet (ATJ) fuel. (news.wsu.edu)
Plenty of people are working on turning wood waste into ethanol, but Enerkem is doing wood chips, yard waste, and building scraps (treehugger.com)
Here's an article on one of the small projects replacing diesel with wood waste gasification. (sunshinehours.net)