Below are the most searched keywords,about 'Car Rental',in the internet (datas of October 2007)

Search	Word
1080103	car rental
103540	budget car rental
83361	cheap car rental
72325	discount car rental
72302	national car rental
59010	thrifty car rental
54183	airport car rental
41133	alamo car rental
37334	cheapest car rental
22884	australia car casino rental
21583	las vegas car rental
16872	car rental las vegas nv
16036	cancun car rental
15352	car rental company
14743	exotic car rental
13654	enterprise car rental coupon
12328	luxury car rental
11158	car rental ireland
10202	orlando car rental
10199	car rental los angeles
9697	one way car rental

source : zirve100 http://www.zirve100.net/incele.php