When you opt for Hertz's fuel purchase option, you are not required to refill the tank of gas before returning the car. According to Hertz's policies, if you purchase a full tank of fuel at the beginning of your rental, you can return the vehicle without refueling it. This means you can return the car partially refueled or even empty without facing any additional charges for fuel, aside from the prepaid amount at the start of your rental. However, it's important to note that there will not be any refunds for any unused fuel that you prepaid.

For further details, you can refer to these links:

1. Hertz Fuel Purchase Option - General Information
2. Fuel Purchase Option Specifics
3. Hertz Fuel Policy PDF
4. Refuelling Options - Full Tank Requirement
5. Another Overview on Fuel Purchase Option
6. General Refueling Options

In summary, with the prepaid fuel option, you can return the car without the hassle of refueling.

Sources

Fuel Purchase Option - HertzFuel Purchase Option - Hertz[PDF] ANNEX 2 — FUEL POLICY - HertzRefuelling Options - HertzFuel Purchase Option - HertzRefueling Options - Hertz Car RentalFuel Policy - Hertz

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