Yesterday, Avis Rent A Car released a rental car reservation app for the iPhone, allowing you to reserve a car from any Avis rental location with an easy tap-and-type interface that's easier than using a web browser.

Avis car rental is planing to offer a three-minute guarantee for its "Avis Preferred" members at all European locations. Within three minutes of entering the premises, these premium customers will be guaranteed to be done with the rental transaction; if the elapsed time is over the limit, the customer will be getting a…