Steve Jobs drove a silver Mercedes SL55 AMG just like everyone else, except it never had a license plate on it. I assumed, like most, that he just paid the fine for not having your plate affixed to your vehicle for the sake of being different. The truth is even better:

Steve (or someone close to him) spotted a loophole in the California vehicle laws.  Anyone with a brand new car had a maximum of six months to affix the issued number plate to the vehicle.

Via loopinsight.com