You can't make people pay too much to charge their car or they'll just charge it at home. So, your profit margin is capped. Charging stations are high CapEx o

You can't make people pay too much to charge their car or they'll just charge it at home. So, your profit margin is capped. Charging stations are high CapEx outlay with low OpEx return. They're going to be very slow to roll out without government incentives. The proper thing to do in the US is to make installing them in the humungous shopping center parking lots a thing.