Originally Posted By: earlyre
it's just like Ink Jet printer Cartridges. within a year there would be storefronts either refilling, or "re-manufacturing" them. you would see cheap refill Kits sold on late night tv, there would be horror stories of the reused models leaking everywhere, or the car simply wouldn't recognize the After market part, etc.
and of course, instead of one standard unit, every auto manufacturer would have to sell dozens of incompatible cartridges.
seriously, it'd be just like the printer ink racket.
So cheaper to buy a new car than oil?