The 2005 Jeep Liberty Renegade is shown in this company provided photo. After sparking America's craze with sport utility vehicles 20 years ago, Jeep has seen its share of the SUV business shrink in recent years, largely because of a flood of rival models in all shapes and sizes. Jeep hopes to quiet criticism in 2004 by launching its most aggressive product offensive in years. (AP Photo/DaimlerChrysler, ho)
January 30, 2012 7:46:24 AM PST
DETROIT - January 30, 2012 --
Federal safety regulators have stepped up their investigation into Jeep Liberty air bags after 50 people reported they were hurt when the air bags inflated without a crash happening.