Make sure you have a valid photo ID to go with it and you should be OK.

Dollar states:

The following motor vehicle drivers licenses are generally acceptable in the U.S.

A valid motor vehicle driver's license issued by any state, territory or possession of the U.S.
A valid temporary driver's license issued by any state, territory or possession of the U.S.

and a bunch of other things.

See here - http://www.dollar.com/AboutUs/GeneralPolicies.aspx