After acquiring Zipcar for $500 million in January, Avis (NASDAQ:CAR) has expanded Zipcar into 11 airports across North America in the past several weeks. It announced eight of the openings this week following three last month.

The eight newest airports are:  Hartsfield-Jackson Atlanta International Airport, Austin-Bergstrom International Airport, Los Angeles International Airport, Palm Beach International Airport, Philadelphia International Airport, Phoenix Sky Harbor International Airport, Mineta San Jose International Airport, Toronto Pearson International Airport. The three previous ones are: Newark Liberty, LaGuardia, and John F. Kennedy airports.

The company says a March survey reported that 64% of members were interested in airport service. Altogether, Zipcar members now have access to nearly 10,000 vehicles in 20 cities, at more than 300 universities, and now in 11 airports.

At the airports, the Zipcars will be in Zipcar-branded parking spaces next to Avis Car Rental pick-up facilities.

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