National Car Rental serves the rental needs of the frequent airport travelers seeking choice, convenience, and time savings. Emerald Club® –National’s frequent renter program – offers members priority service as they bypass the rental counter and proceed directly to the car of their choice. USRoper Members save up to 20% and receive unlimited mileage at participating locations. For more information, click on the logo, or call 800-CAR-RENT® (227-7368).