Dollar 租车价格条款问题

Rental includes:

Unlimited Mileage, Loss/Collision Damage Waiver, Supplemental Liability Insurance, Uninsured Motorist Protection, All Taxes and Airport and Local Fees, All Additional Drivers Charges, Initial Tank of Petrol


请问一下，上面所述的价格所包含的项目中“Initial Tank of Petrol” 的含义是提前送我一整箱汽油吗？ 是否意味着我还车的时候不需要把车油箱加满呢？


请帮忙回答，不胜感激……