The lawsuit is yet another hurdle for e-hails, one of the chief initiatives for reimagining the city's taxi fleet backed by Mayor Michael Bloomberg and David Yassky, the chairman of the Taxi and Limousine Commission.

WSJ: Cab-Hail Apps Are the Target of a Lawsuit

The plan is to eventually build six battery switch stations to service a 60-taxi fleet.

FORBES: Better Place To Bring Electric Taxi Service To California in 2013

The city must also present a plan to the state for improving the accessibility of the rest of the taxi fleet.

WSJ: Deal Clears Way For New Taxi Class

It allows both Mr. Bloomberg and Gov. Andrew Cuomo, who insisted on better wheelchair accessibility for the taxi fleet, to claim victory.

WSJ: Deal Clears Way For New Taxi Class

Why are they so opposed to adding to the taxi fleet?

CNN: Paris taxi shortage: It's about jobs

Taxi fleet owners sued New York City Mayor Michael Bloomberg and the city Wednesday in an effort to block new rules that allow livery cabdrivers to pick up passengers who hail them on the street.

WSJ: City Sued Over New Cab Rules

Mr. Aliyev, who took over as president in 2003 from his father, Heydar Aliyev, summoned car makers in 2010 to a Baku parking lot to evaluate their vehicles and decide which would work best for a new, state-supported taxi fleet.

WSJ: Azerbaijan Hails London Taxis to Upgrade Its Unlicensed Fleet

Just in industries directly related to autos, trillions of dollars change hands each year flowing to and from auto insurers, auto financiers, service and repair shops, rental agencies, taxi operators, fleet managers, oil companies, transportation and logistics companies, emergency rooms, health insurers, medical practices, personal-injury lawyers, government taxing authorities, road-construction companies, parking-lot operators, and on and on and on.

FORBES: Google's Driverless Car Is Just One of Many Looming Disruptions

's Baltimore Water Taxi lost 30% of overall capacity in its fleet of 14 boats, owner Michael McDaniel said.

WSJ: Boat Operators Struggle With Heavier Load