The kitsch element is still there -- basically, this is the story of what it's like to be turned into a kill-or-be-killed videogame icon -- but the director, Joseph Kosinski, stages the extreme fighting with a fleet and threatening charge.
When fully dedicated to missile defence, some ships already devote 40% of their power to electrical systems, says Rear-Admiral Philip Cullom, in charge of the navy's fleet readiness.
Initially, the majority of private owners are likely to be suburbanites, who will charge their cars overnight using domestic sockets, or fleet operators with predictable journey patterns.