The amount of goods that can be shipped and how much it costs to ship them is a massive part of this.
Vehicles have weight restrictions in a lot of regions. Everything you have to put into creating locomotion takes away from the transportation capacity. If the transportation capacity is too low, the investment into non-fossil fuel transportation of goods won’t be made as rapidly by companies.
The amount of goods that can be shipped and how much it costs to ship them is a massive part of this.
Vehicles have weight restrictions in a lot of regions. Everything you have to put into creating locomotion takes away from the transportation capacity. If the transportation capacity is too low, the investment into non-fossil fuel transportation of goods won’t be made as rapidly by companies.