In a story not as weird as the environmentally-friendly bullets one but still somewhat unnerving, it appears the US military is gunning for an increase in the amount of energy it derives from renewable sources. Military chiefs want to see 25 per cent come from the likes of wind, wave and solar by 2025 and while it accounts for 1.5 per cent of US energy consumption, the biggest impact could be the civil application for military developments in technology and efficiency so the rest of the country could be following in its khaki-coloured wake.