Originally Posted by
sdsearch
At Avis you earn 500 BA miles for any rental (tho you have to use their AWD so it won't work with corporate rentals that require a different AWD, but my rentals are paid on my own dime).
Try BMI Diamond Club. 1,500 miles per Hertz rental, plus a bonus 200 for booking via flybmi.com. Business class on Star Alliance (US to Europe) is only 37,500 miles plus a small co-pay - essentially a free trip for every 23 rentals!