Here's a copy of the letter sent by NHTSA to Chrysler re "fule tank system integrity" in certain model-year Jeeps. The NHTSA letter was sent to:
Matthew W. Liddane
Head of Vehicle Concepts and Integration
Chrysler Group. LLC
800 Chrysler Drive
Auburn Hills, MI 48326-2757
Important to read if you own (or ride in) one of the subject Chrysler vehicles!