CHICAGO--(BUSINESS WIRE)--Fitch Ratings has today affirmed the long-term Issuer Default Ratings (IDR) and debt ratings of Avis Budget Group, Inc. (ABG) and its various Fitch-rated subsidiaries. Fitch has simultaneously withdrawn the ratings for commercial reasons. A full list of rating actions follows at the end of this release. KEY RATING DRIVERS IDRS AND SENIOR DEBT ABG's ratings are supported by the strength of its brand and franchise, its leading position as a global rental car company, and