Chrissie Thompson and Bradford Wernle Automotive News | July 22, 2009 - 9:14 am EST DETROIT — Chrysler Group is offering consumers as much as $4,500 on most of its 2009 models, doubling the cash-for-guzzlers incentive offered by the federal government. “Double Ca$h for Your Old Car,” offers up to $4,500 cash or... More