[ oh. well, that surprises milly a little. but then again, maybe the cybertronians tony was talking to were a little closed-mouthed. ]

Well, kind of, except not. It's a special kind of fuel. More like food for them than fuel, really. Or...more like a meal shake, I guess. It's got way more of a kick than rocket fuel. I can run on less than a liter for days -- weeks, if I'm really conservative about it, but if I use my blaster it tends to deplete faster. But I've only ever had synthesized energon. I bet the real thing is even better.