RE: Perhaps someday the silly flash animation will show
WHERE the engine supposedly will be.

That's easy.  See this basic concept:
http://www.greencarcongress.com/2007/01/ford_announces_.html
One flat, thin universal drive train, put whatever body you want on it.
Even better, have two bodies, change in the garage at home, one people
hauler mini bus for the 'soccer mom', drop on the camper body to head out
for the weekend.