From an article at
Pentagon’s New Robots Eye Creepy New ‘Flex Fuel’
Will Future US Military Vehicles, Robots Feast on the Flesh of the Slain?
The real downside to the Pentagon’s planned army of merciless killbots, besides the inevitable robot rebellion (which the Pentagon is spending billions trying to head off) is all that fuel. Robots need really big batteries, or internal combustion engines, or something. No matter how they’re powered though, it’s not free. Until now.
A Pentagon contractor in Maryland is now working on a robot that can forage for its own food. It could use any biomass in the area. And lets face it, in any really big war there’s plenty of biomass just lying around all shot up or bombed to death and not doing anything for the war effort. So the robots, and potentially vehicles based on the same design, will be feeding off the flesh of slain humans to continue on their mission to slay humans and feed off their flesh.
Besides the obvious ethical issues of creating man-eating, killer robots (which presumably don’t concern the Pentagon any more than the non-man-eating but still killer robots did), the plan will also raise serious concerns about the reliability of body counts. It is difficult enough to get an accurate death toll out of the military when villages present the bodies to local officials. Imagine the skepticism if the villagers have to explain that Pentagon battle droids consumed all the slain villagers and sped off for more mayhem.