Great, so replace all the ICE parking lanes with electric bus rapid transit lanes. It will do much more for climate change than car chargers.

Edit: Should have mentioned the climate change is one of the biggest components of the cost of free parking. Without all the government-mandated parking spaces for the past 60 years, there would be far fewer cars today. It's not too late to reverse that.

Then the power source of for cars needs to be more available than what you're suggesting.