Dublin-based car rental distribution firm Cartrawler says around 22% of bookings were cancelled as flights were hit when air space were shut down systematically across the continent.
A eye-watering 95% of cars were not collected at airports impacted by the crisis.
Read the full story at http://www.tnooz.com/2010/04/29/news/ash-cloud-cost-to-car-hire-estimated-at-euro-65-million/