Instructables.com has a really good contest going on right now, with a $25,000 grand prize. You have to pitch what you would do for "Independence" for a business or project you would do if you won.
Heck, I'd build the truck with a very nice Lithium battery pack!
Here's the video I entered into the contest:
Yes, I'm cheesy. Sorry, can't help it, the best I can do is embrace it.
The full contest entry (same thing but with more explanation in text) is at
DIY Open-Source Plug-in Hybrid Pickup Truck