Nanoreagent hydrocarbot

From Halopedia, the Halo wiki

Nanoreagent hydrocarbots, also known as Slop to military personnel, are a suspension of nanomachines that render nearly all carbon-heavy matter into usable fuel for the UNSC's ubiquitous internal combustion power plants, including he hydrogen-injected internal combustion engines used by the M12 Force Application Vehicle and the M274 Ultra-Light All-Terrain Vehicle.[1]

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