All the nation's car rental companies, except Hertz, have banned...

All the nation's car rental companies, except Hertz, have banned smoking inside its cars. undefined

Thrifty Car Rental and Dollar Rent a Car recently joined Avis, Budget and other national car agencies in banning smoking in their rental vehicles.

The latest policy change leaves Hertz - the world's largest car rental agency - as the only major car rental company to officially allow smoking in rental cars. (Hertz says you can request a "smoking designated" car, but if none are available, you won't be allowed to smoke in the car you get.)

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Thrifty Car Rental and Dollar Rent a Car recently joined Avis, Budget and other national car agencies in banning smoking in their rental vehicles.

The latest policy change leaves Hertz - the world's largest car rental agency - as the only major car rental company to officially allow smoking in rental cars. (Hertz says you can request a "smoking designated" car, but if none are available, you won't be allowed to smoke in the car you get.)

The policies for Enterprise, Alamo and National remain a bit hazy. An Enterprise Holdings spokeswoman said all three rental firms offer smoke-free cars, but some locations also have smoking cars. You need to call your local agency to reserve the car you want.

Meanwhile, if you light up inside a car from Thrifty or Dollar, be ready to pay a hefty fine. The two agencies are now inspecting returned cars to sniff out smoke residue. Violators of the policy face a fine of up to $250.