The shortage of fuel efficient taxis to fulfill the city's mandate for a green taxi fleet--cabs purchased after October 1 must get at least 25 miles per gallon-- continues. Now the Post finds "although fleet owners are being allowed to buy more of the gas-guzzling Crown Victorias as they battle Bloomberg's green-taxi rule in court, they're still in a jam because Ford has already stopped making that model due to the mayor's edict." Ha! Overall......