When Lorelai and Rory come back from Atlantic City energized, Luke asks them if they believe in jet lag. Jet lag typically happens when someone travels over multiple time zones. Atlantic City and Stars Hollow (located in Connecticut) are in the same timezone, so Lorelai and Rory would more than likely not suffer from jet lag.
Rory gets in her car and starts to drive away, but when a close up is shot of the side of the car it is clearly not Rory driving. A man's hairy arm with a Hawaiian shirt and gold watch is shown steering the car out of the driveway.