The state Supreme Court in Manhattan on Tuesday rejected Mayor Michael Bloomberg's Taxi of Tomorrow program as an overreach of executive authority, potentially dooming a project to create a virtually uniform taxi fleet for the city.

The court sided with taxi magnate Evgeny Freidman and the Greater New York Taxi Association, which sued to block the Taxi of Tomorrow on the grounds that the city's Taxi and Limousine Commission lacked the authority to compel most cab owners to purchase the newly designed Nissan NV200.

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