I guess I just never paid much attention to Avis' policy that all corporate rentals will only earn 250 frequent flyer miles with DL and CO. I thought this applied to discount corporate rates only. According to Avis' customer service department, ALL corporate rentals will only earn 250 FF miles. I paid $60 a day for a mid-size car in ORD 2 weeks ago and only got 250 FF miles.

I've been putting most of my rental car business with National this year. They give you 500 FF miles per rental. For a mid-size to full size car on the Emerald aisle in ORD, I paid about $50 a day. I still received 500 FF miles (CO and DL).

By the way, Avis will modify your FF mileage earning opportunity with DL and CO in the near future. You will get 50 FF miles per day on an Avis rental.