Utilize your financial knowledge, give your answer or opinion to the input question or subject . Answer format is not limited.

Why do car rental companies prefer/require credit over debit cards?
Deposit on a Debit Card have a different effect, and many people don't understand it (and make a big stink), or cannot afford it (or both). Either of it results in lots of trouble for the business: In addition, having a credit card showes that some bank trusts the customer with an unsecured credit of this height, which is some reassurance for the business. A debit card proves only that he was able to get a checking account, which needs much less liquidity and stability.