Upvote:1
Probably a question of insurances. Major credit cards (visa, MC, AMEX) are internationally recognized compared to your local bank debit card.
(after a quick google regarding US rental with a debit card) When renting with a debit card, most agencies will do a credit check and that might not be possible when renting in Europe (even from a international company like Avis or Hertz)
Upvote:4
Speaking for France, The majority of payment cards that are issued are debit cards.
Car rental agencies would be quickly out of business if they refused them.