It's amazing how creative people are when it comes to reusing plastic stuffs and making a useful something out of it. One example is this portable power station made of a plastic barrel. It might not be the most efficient power station in the world, as some of the comments there state, but it suits quite well in survival conditions. Check it out.
http://envirosponsible.comWhat would you do for light if the grid went down? I put some components together and created an emergency lighting solution.
The wind generator is a 10W vawt, and the solar panels are 1.8W each. They trickle charge a 12V battery that can be used for emergency lighting or recharging batteries, cell phones, etc. I've used this system and it works.
VAWTs (vertical axis wind turbine) work well in a surburban and urban environment. They have lower cut in speeds than horizontal props, which means they're creating electricity even in low winds. Plus, they run silent so they won't bother neighbours.
I made this after reading Patriots by James Rawles.