The need to secure alternative energy sources rages on. Here is a good summary of the leading candidates emerging.
A comprehensive guide to the basics of off-grid power battery bank sizing. This is important because a too big or too small battery bank will have consequences.
Alternative energy is the solution for preppers wanting to go off-grid. Use the Tesla Powerwall to store the solar energy for consumption and survival.
Estream: Hydroelectric Generator that Fits in your Backpack - GetdatGadget
Turn a car alternator into alternative energy by building this cheap and easy homemade wind generator.
An Animated Look at Wind Turbines Mental Floss Technology