They will come and sell you gas for a reasonable price. If you decide to rent a car in France, there are some possible car rentals that you might use. There are, of course, many French firms which will also rent you an automobile. If you fatigue easily while driving, you will be glad to know that there are rest areas every ten miles on the highways. If you decide to leave the majestic City of Lights, choose the roads that you take carefully.
Departmental roads are curvy and slow, though they are the most scenic.
Departmental roads are also very difficult to navigate unless you have a very detailed map. Auto routes are very boring to drive and not particularly scenic, though they do get you where you are going. It has two large terminals that conveniently serve thousands everyday. Since, the Metro is connected to the airport, travel to Paris is simple even for the most unprepared tourist. With these few guidelines you will find traveling around in Paris and the surrounding region much more enjoyable.