Budget Rent A Car System Inc. announced that the Dunkin' Donuts free coffee promotion is back by popular demand. Budget customers will receive two pounds of Dunkin' Donuts coffee free after they've completed two qualifying rentals between now and December 15.

The free coffee offer is valid for U.S. residents who rent at participating Budget locations in the United States. Customers must register for the promotion online at www.budget.com/freecoffee and complete two rentals of at least two paid rental days during the promotion period.

Customers must have a RapidRez or Fastbreak (BCN) number to register and must use the RapidRez or BCN number when renting. Two pounds of Dunkin' Donuts coffee will automatically be shipped to the customer after two qualified rentals.