If you are not member of Emerald Club, enroll here, you will be enrolled in this promotion. The promotion is valid from Aug 11-Dec 12, 2008. You rent a Midsize or larger vehicle twice, for two or more consecutive days each, you will get a Free day email to you. The free day can be used btw January 1 and June 25, 2009
I can refer you to join Emerald Club, so I can get 1 free rental day. Send me a email if you want a referal.