FORT LAUDERDALE, Fla.–(BUSINESS WIRE)–SIXT USA, a subsidiary of Sixt SE, a global leader in premium mobility services, has launched a limited-time, member-exclusive offer for U.S. customers. With gas prices up nearly 50 percent since February, SIXT ONE members can lock in a flat-rate $49.99 pre-paid fuel tank across all vehicles and all U.S. states for qualifying rentals booked now through May 31, 2026. As peak travel season arrives and fuel costs continue to pressure traveler budgets, this o