The New York City mayor announced on Wednesday a new $75 million investment in state electric vehicles and charging infrastructure as a part of a bigger initiative to transition the entire city fleet to electric vehicles. The plans will replace 300 gas-powered city fleet vehicles and retrofit 125 diesel-powered trucks to run on electricity, Mayor Bill de Blasio said, according to a statement. The investment also includes replacing three diesel buses and adding 78 electric ambulances, the statement said. Nearly 275 electric chargers, 20 portable chargers that can be moved around the city, and 11 solar charging carports will be installed in the city as a part of the initiative. At least 20 of these charging locations will also be available for public use, according to the statement. “We need to make it simple and easy for someone to have an electric car, but that only works that there are …