DIY Eco-Tech Contest at Treehugger
Here's the pitch:
If you have hacked, modified, or created something that helps current technology conserve energy, we want to know. Send a picture of your creation and a quick description of what it is to: contest [at] treehugger [dot] com. We will pick the best submissions and let the readers vote for the most deserving one. The winning submission will receive a new $230 Voltaic Systems backpack!!! You have until September 7th, 2005 to submit your entry.