DETROIT (TheStreet) -- For what could well be his last revitalization project at Ford ( F), CEO Alan Mulally has established a start-up business inside a $132 billion corporation. That business is called Lincoln. Its goal is to introduce a new player, albeit one with an old name, in the harshly competitive, well-established luxury-car business, where the odds for success are long. The effort begins Tuesday. Last night, Lincoln unveiled the first step in its transformation, the MKZ luxury sedan.