sentences:  Thrifty Car Rental was established in 1958 as an indirect subsidiary of Thrifty Rent A Car System, Inc. Thrifty purchased Ohio-based Snappy Car Rental, Inc. for US$40 million in May 1989.By the end of 1989, Thrifty was purchased by Chrysler Corporation for US$263 million with the intent to merge Thrifty with its Pentastar Transportation Group.With focus on value-priced car rentals, Chrysler announced Thrifty Car Rental and Dollar Rent A Car would form Dollar Thrifty Automotive Group to reduce operating expenses in 1997.