Related info (about DIY energy projects, not ESP)
From Treehugger: DIY Vertical Axis Wind Turbine (Video)
From Cleantechnica: Man Creates Homemade Biodiesel from Algae
From Mother Earth News: Do-It-Yourself Solar Heat
From Treehugger again: Ingenuity + Wind + Text Book = Home Made Electricity

Follow the rest of the Hank D and the Bee series at JoeMohrToons.com. For cartoon updates and other green goings-on, follow Joe on Twitter @GreenCartoons.