CarRental Yahoo! Widget 1.0   
by Netporium LLC   

An easy one-click way to compare prices and availability on over 40 car rental companies at every city and airport in the world. You can specify any brand or class of car to include in your search or even the "Best Buys" for each company. You can search by either airport name or city name in any date range and include time of pickup and return, so that pricing correctly reflects the hours used.