Steven A Henry via Getty Images Scott Stringer, an early front-runner for New York City mayor, pledged to completely phase out fossil fuels, drive private utility companies out of the nation’s largest metropolis, and “electrify everything” in a near total embrace of climate activists’ demands ahead of this year’s election. The 34-page proposal Stringer laid out Sunday would transform the five boroughs, glazing the rooftops with solar panels and battery units, prioritizing bike lanes and pedestrian walkways over highways, and providing new programs to make electricity cheaper and green jobs more plentiful for the city’s squeezed working class.