What wins wars? Fuel. Have you ever seen or read the investigation titled "Guns, Germs, and Steel?" It's all about how the most common root between all successful societies is climate zone, the ability to grow crops and settle have made all great groups prosper. Here's a microcosm of that - US Marines using solar panels, cutting their fuel consumption by 90 percent. You think groups with fewer resources have the same ability to save energy? There's a plateau these troops have reached that just make them better, isn't there? The fuel they're saving is diesel fuel, and the place they're sitting is Afghanistan.
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