Methane digester

Need to find a 55 gallon drum. Look on Craigslist, contact local car wash.

Could also do it with smaller buckets: http://www.instructables.com/id/Bio-gas-plant-using-kitchen-waste/

http://www.youtube.com/watch?v=ySCKFnQ9Zq4

I tried this once, I would love to come back to it someday. Fed with food scraps. Temperature is an issue.