Cash for Clunkers: How Green Is It? August 05, 2009 A problem was encountered. You can report this link by: Contacting Us Video: How Should Yahoo Spend Cash From the Alibaba IPO? Video: How Movement Marketing Makes Ice Bucket Cash Video: How the Top 1% Hoard Their Cash Offshore Video: Is Auto Industry Leaving Tech Innovation to Google? Video: See the Giant Green Garden Creatures Worth $80K Carey is a senior correspondent for BusinessWeek in Washington.