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It's just a question of cost. What does the truck (the battery) cost, what does the charging infrastructure cost? I suspect that not every charging station will be able to handle 1,000 kW without retrofitting.
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@KevinE The Tesla Semi Truck and a comparable diesel truck differ considerably in terms of purchase and operating costs. Here are the most important points in comparison:

1. acquisition costs
Tesla Semi Truck: Prices for the Tesla Semi start at around 150,000 USD for the version with a range of 300 miles and 180,000 USD for the version with a range of 500 miles.
Diesel Truck: A comparable diesel truck costs around 100,000 to 150,000 USD to purchase, depending on make, model and equipment.
2. maintenance costs
Energy costs:

Tesla Semi Truck: The Tesla Semi has lower energy costs because electricity is generally cheaper than diesel. Tesla estimates energy costs at about $0.14 per mile, based on the price of electricity and the vehicle's consumption.
Diesel truck: Fuel costs for diesel trucks average about $0.54 per mile in the U.S.
Maintenance costs:

Tesla Semi Truck: Electric vehicles generally have lower maintenance costs because they have fewer moving parts. There are no oil changes, less wear and tear on brakes (due to recuperation), and no exhaust treatments.
Diesel Truck: Diesel trucks have higher maintenance costs due to regular oil changes, transmission and brake maintenance, and emissions systems that need to be serviced.
Taxes and insurance:

Tesla Semi Truck: Electric commercial vehicles may qualify for tax incentives or lower insurance premiums in some regions, but this varies greatly by country and region.
Diesel Truck: Diesel vehicles are subject to different tax brackets depending on the region, which may tend to be higher, especially with stricter emissions regulations.
3. total lifetime costs
Tesla argues that the total lifetime cost of ownership of the Tesla Semi is significantly lower than a diesel truck. Tesla estimates that the cost of ownership (excluding acquisition costs) for the Tesla Semi can be approximately 20% lower than for a comparable diesel truck.

4. residual value and resale
Tesla Semi Truck: Electric vehicles tend to have a higher residual value, but the market for used electric commercial vehicles is still relatively new and unpredictable.
Diesel Truck: Diesel trucks have an established market for used vehicles, with residual value depending heavily on mileage and condition.
Summary:
Acquisition costs: the Tesla Semi is more expensive to buy than a diesel truck.
Operating costs: The Tesla Semi has lower energy costs and maintenance costs, which can lead to significant savings over its lifetime.
Overall cost: Although the Tesla Semi is more expensive to buy, the lower running costs and potential tax benefits could make it more cost effective than a diesel truck in the long term.
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@KevinE In a nutshell: With the Tesla Semi, you can save around **20%** of operating costs in the long term compared to a diesel truck. Although the Tesla Semi is more expensive to buy, the lower energy costs and maintenance costs lead to these savings over the lifetime of the vehicle.
I will be adding to Tesla regardless of this news.