Follow this link to a recent video which includes OARDC's BioEnergy Lab and Touchstone Research Lab. The content starts at about 3:30 in the video. You will also catch a glimpse of some of quasar's pilot scale digesters.

Video http://www.youtube.com/watch?v=dgPpOHO5I5Q

OARDC BioEnergy Lab http://www.oardc.ohio-state.edu/bioenergy/pageview.asp?id=1170 

quasar Energy Group http://www.schmackbioenergy.com/pages/home.html 

Touchstone Research Lab http://www.trl.com/  or project fact sheet http://www.netl.doe.gov/publications/factsheets/project/FE0002546.pdf