More of you are traveling than anyone thought possible when this recession started, so the web has been hosting widespread reports of rental car shortages along with the resulting price increases. Even leaseback cars are becoming difficult to find.
Shortages are most prevalent in holiday locations in Spain, France and Italy, according to Hertz, the car firm...
Industry sources say that Spain is the worst affected, with those who can get a car having to pay twice normal rates. ~ Tourists face car hire shortage
Hope you've made reservations (perhaps you need to check them twice if your trip is coming up).
Resources:
Are Buy Back Car Leases better than Car Rental in Europe?

