New York's boys in blue will soon be able to creep up on evildoers with even more subtlety, thanks to some new electrified vehicles the city unveiled yesterday. As part of Mayor Michael Bloomberg's environmentally-friendly PlaNYC initiative, 70 new EVs have been added to the city's fleet of public cars, in the hopes of lowering emissions and creating a "greener, greater New York City." Joining the force are ten Ford Transit Connect cargo vans, ten Navi-star E-star trucks and a full 50 Chevy Volts -- some of which will be used as NYPD squad cars. These newcomers will be shared among nine different departments, joining 360 other city plug-ins alrea