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May 29, 2017

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A new Allegiant Air Airbus A319 passenger jet is parked at a gate at McCarran International Airport Thursday, Feb. 28, 2013. The new jet is more fuel efficient than the company's current jets.

Steve Marcus

A new Allegiant Air Airbus A319 passenger jet is parked at a gate at McCarran International Airport Thursday, Feb. 28, 2013. The new jet is more fuel efficient than the company's current jets.