The technology is advancing at a crazy rate. Considering the maturity of the battery industry, we have seen huge advances in capacity and pricing.
The guardian circuitry on chargers has gotten better, we are finding the market is OK with it. Hell, I even have an e-bike, but I charge it under supervision and disconnect it after it shows full.
Going to need a lot more to stop the EV market from growing. People are getting out of the petrol market. Diesel will take longer, especially up here in the territory.
