Ultracapacitors are cool, and may in fact be useful for this kind of thing, but in order to justify a headline like "Finally, an [x]" then you really need at le

Ultracapacitors are cool, and may in fact be useful for this kind of thing, but in order to justify a headline like "Finally, an [x]" then you really need at least a working prototype of an [x], not just a press release that says "we're gonna be building an [x] any day now". (See also: Moller Aerocar)