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Mid price cars reach 900km of range.
This will kill of most mid price gasoline cars, since 900km is a normal full 40-50l of gasoline's range. Driving a full days drive and charging for the night/lunch is pretty alright.
At the moment you either buy a Tesla, you buy a competing luxury brand, or you buy a cheap subpar car that won't be able to commute outside of the city you commute inside.
Short haul trucks/cargo trains?
Depends on how mature the tech is. Not a single vehicle is on the marked yet. If the Tesla is good, its going to displace quite a few short distance uses, and possibly even displace more normal brands used for conversion for some kind of heavy gear. Electricity vs diesel is simply too big a save to ignore the advantages for commercial stuff like pumps, digging and whatnot.
Work cars?
Its a bit more complex.
The core problem is that you need 120/230/400v outlets in the car, and a huge battery.
Its normal for companies to fuddle around workplaces searching for outlets, or dragging along huge aggregators of known brands for electricity. If you could get a decent set of outlets from the car, you could use a lot of decent electric power tools straight from the car, removing the need for a lot of hurdles like generators.
The problem is then that you want 100kW/h for the car, a cheap frame, and a ton of cargo capacity. Meaning you want a car that's about 2500kg with 1-2 drivers.
But if you could get that without needing to place a special order from your manufacturer or spend a fortune in remodelling and modification? It could sell decently, since getting rid of portable generators AND saving money is a long term goal for enterprises.