Cargo containers are a standardized sizes and they fit a certain number of cars, the only way to fit more is to make cars small enough that they’re simply unsafe in an accident.
Smaller cars are great. “Unsafe in an accident” is dependant on speed, and if you’re just driving in a city you don’t need a vehicle designed for highway speeds.
Fewer shipments would be needed for more efficiently sized vehicles, so it would happen less.
Cargo containers are a standardized sizes and they fit a certain number of cars, the only way to fit more is to make cars small enough that they’re simply unsafe in an accident.
Smaller cars are great. “Unsafe in an accident” is dependant on speed, and if you’re just driving in a city you don’t need a vehicle designed for highway speeds.
Also other vehicles do exist.