It's an energy density thing, it takes a shitload of electricity to charge something huge to run very far, that's why petrol has such a grip on things. In a rational system you could create some sort of predictable, low-friction road where economies of scale could let you transport large amounts of freight and people quickly with less power, but car-brain hasn't come up with a solution yet. You either need massive capacity to accommodate all the electric trucks on demand, or a long wait to let them charge at a manageable rate.

Or you could just